
A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >
A weakly defined warm front moved slowly north through Oklahoma. South of the front dew point temperatures were in the middle 60s, with afternoon temperatures well into the 70s. Lift associated with an upper-level disturbance combined with around 2500 J/kg of CAPE created favorable atmospheric conditions for severe thunderstorm development.
A large supercell thunderstorm developed over Major County, and quickly became severe. Baseball-size hail was reported west of Fairview, OK. Hail up to softball-size was reported west of Okeene, OK as the supercell continued moving southeast. A larger area of at least golfball-size hail developed from south of Kingfisher to northwest Oklahoma City, with embedded areas of larger than baseball size. Wind speeds also averaged around 50 mph, but some locations measured winds in excess of 60 mph.
Reports of damage to cars and automobiles, as well as to trees and vegetation came in by the hundreds as the supercell moved through the heart of the Oklahoma City metro area. Hail drifts reached several feet deep over some areas. Some areas even reported hail still on the ground more than 12 hours later. The reported hail sizes became smaller as the storm moved into Seminole, Hughes, and Atoka counties. Although there has been no monetary value placed on the hail storm, estimations have put the damages well into the millions.



RELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORMAN OK
1244 PM CDT MON MAY 17 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0122 PM HAIL 8 WSW FAIRVIEW 36.22N 98.61W
05/16/2010 E2.75 INCH MAJOR OK PUBLIC
PUBLIC REPORT RELAYED BY KWTV.
0158 PM HAIL 2 WSW OKEENE 36.11N 98.35W
05/16/2010 E4.25 INCH BLAINE OK LAW ENFORCEMENT
RELAYED THROUGH KWTV
0202 PM HAIL OKEENE 36.12N 98.32W
05/16/2010 E2.75 INCH BLAINE OK FIRE DEPT/RESCUE
0238 PM HAIL 5 SSW LOYAL 35.91N 98.15W
05/16/2010 E1.25 INCH KINGFISHER OK PUBLIC
0332 PM HAIL PIEDMONT 35.64N 97.75W
05/16/2010 E2.00 INCH CANADIAN OK EMERGENCY MNGR
0333 PM HAIL PIEDMONT 35.64N 97.75W
05/16/2010 E2.75 INCH CANADIAN OK PUBLIC
RELAYED THROUGH NWS EMPLOYEE
0339 PM HAIL 5 E PIEDMONT 35.64N 97.66W
05/16/2010 E1.00 INCH OKLAHOMA OK TRAINED SPOTTER
0345 PM HAIL 4 NNW WARR ACRES 35.58N 97.65W
05/16/2010 E1.75 INCH OKLAHOMA OK PUBLIC
RELAYED BY NWS EMPLOYEE
0348 PM HAIL W EDMOND 35.65N 97.48W
05/16/2010 E1.25 INCH OKLAHOMA OK AMATEUR RADIO
HAIL REPORTED ON EDMOND RD BETWEEN MAY AND PORTLAND
0350 PM HAIL 6 E PIEDMONT 35.64N 97.64W
05/16/2010 E2.50 INCH OKLAHOMA OK PUBLIC
0350 PM HAIL 5 NNW THE VILLAGE 35.64N 97.60W
05/16/2010 E1.75 INCH OKLAHOMA OK NWS EMPLOYEE
0351 PM HAIL 5 NNW WARR ACRES 35.59N 97.66W
05/16/2010 M2.00 INCH OKLAHOMA OK AMATEUR RADIO
0353 PM HAIL 3 WSW EDMOND 35.64N 97.53W
05/16/2010 E1.00 INCH OKLAHOMA OK AMATEUR RADIO
0358 PM HAIL 5 NW OKLAHOMA CITY 35.53N 97.57W
05/16/2010 E4.25 INCH OKLAHOMA OK AMATEUR RADIO
0400 PM HAIL 2 WSW NICHOLS HILLS 35.54N 97.58W
05/16/2010 M2.00 INCH OKLAHOMA OK AMATEUR RADIO
0400 PM HAIL 2 WSW NICHOLS HILLS 35.54N 97.58W
05/16/2010 E1.75 INCH OKLAHOMA OK AMATEUR RADIO
6 CARS HAD DAMAGE ON NW 63RD AND PORTLAND AVE.
0405 PM TSTM WND GST 6 N OKLAHOMA CITY 35.55N 97.51W
05/16/2010 M60.00 MPH OKLAHOMA OK MESONET
0406 PM HAIL 5 NNE OKLAHOMA CITY 35.54N 97.48W
05/16/2010 E1.00 INCH OKLAHOMA OK AMATEUR RADIO
0406 PM HAIL 2 ENE NICHOLS HILLS 35.56N 97.51W
05/16/2010 E1.75 INCH OKLAHOMA OK AMATEUR RADIO
0407 PM HAIL 2 NNW OKLAHOMA CITY 35.50N 97.53W
05/16/2010 M1.75 INCH OKLAHOMA OK AMATEUR RADIO
0408 PM HAIL 1 NE NICHOLS HILLS 35.56N 97.53W
05/16/2010 U0.25 INCH OKLAHOMA OK PUBLIC
BROKEN WINDOWS FROM VERY LARGE HAIL. TIME ESTIMATED.
0410 PM HAIL 4 SSW EDMOND 35.60N 97.50W
05/16/2010 E1.75 INCH OKLAHOMA OK STORM CHASER
0410 PM HAIL 4 SSW EDMOND 35.60N 97.51W
05/16/2010 E1.25 INCH OKLAHOMA OK AMATEUR RADIO
HAIL COVERING THE GROUND
0411 PM HAIL THE VILLAGE 35.57N 97.56W
05/16/2010 E2.00 INCH OKLAHOMA OK TRAINED SPOTTER
0412 PM TSTM WND DMG ENE THE VILLAGE 35.57N 97.56W
05/16/2010 OKLAHOMA OK TRAINED SPOTTER
MULTIPLE TREES DOWN AND POWER OUTAGES NEAR PENN AND
BRITTON RD.
0413 PM HAIL 2 NE OKLAHOMA CITY 35.49N 97.49W
05/16/2010 E1.75 INCH OKLAHOMA OK PUBLIC
0418 PM HAIL 3 WNW OKLAHOMA CITY 35.49N 97.56W
05/16/2010 E1.75 INCH OKLAHOMA OK TRAINED SPOTTER
0418 PM HAIL 5 NNE OKLAHOMA CITY 35.53N 97.47W
05/16/2010 U0.25 INCH OKLAHOMA OK AMATEUR RADIO
VERY LARGE HAIL BUSTED OUT STREET LIGHTS NEAR REMINGTON
PARK. ALSO MINOR STREET FLOODING ON MARTIN LUTHER KING
BLVD.
0424 PM HAIL 4 ESE OKLAHOMA CITY 35.45N 97.44W
05/16/2010 E1.00 INCH OKLAHOMA OK AMATEUR RADIO
MINOR STREET FLOODING
0425 PM HAIL 2 ESE OKLAHOMA CITY 35.45N 97.48W
05/16/2010 E1.75 INCH OKLAHOMA OK AMATEUR RADIO
0425 PM HAIL 2 SE FOREST PARK 35.49N 97.42W
05/16/2010 E1.25 INCH OKLAHOMA OK TRAINED SPOTTER
0428 PM HAIL TINKER AIR FORCE BASE 35.42N 97.39W
05/16/2010 E2.50 INCH OKLAHOMA OK OTHER FEDERAL
0429 PM HAIL S MIDWEST CITY 35.46N 97.37W
05/16/2010 E1.00 INCH OKLAHOMA OK AMATEUR RADIO
0430 PM HAIL 3 S CHOCTAW 35.44N 97.27W
05/16/2010 E2.00 INCH OKLAHOMA OK PUBLIC
HAIL COVERED THE GROUND
0430 PM TSTM WND GST TINKER AIR FORCE BASE 35.42N 97.39W
05/16/2010 M58.00 MPH OKLAHOMA OK ASOS
0439 PM HAIL 7 S NICOMA PARK 35.39N 97.32W
05/16/2010 E1.75 INCH OKLAHOMA OK TRAINED SPOTTER
0450 PM HAIL STELLA 35.32N 97.22W
05/16/2010 E1.75 INCH CLEVELAND OK CO-OP OBSERVER
CRACKED WINDSHIELDS IN STELLA
0510 PM HAIL SHAWNEE 35.34N 96.92W
05/16/2010 E1.00 INCH POTTAWATOMIE OK COUNTY OFFICIAL
0613 PM HAIL ALLEN 34.88N 96.41W
05/16/2010 E1.75 INCH PONTOTOC OK PUBLIC
0618 PM HAIL ALLEN 34.88N 96.41W
05/16/2010 E2.00 INCH PONTOTOC OK EMERGENCY MNGR
0627 PM HAIL 3 SE CUSTER CITY 35.63N 98.85W
05/16/2010 E1.00 INCH CUSTER OK PUBLIC
0649 PM HAIL 10 NNE COALGATE 34.67N 96.15W
05/16/2010 E1.00 INCH COAL OK PUBLIC
0724 PM HAIL 4 WSW DAISY 34.51N 95.80W
05/16/2010 E1.75 INCH ATOKA OK PUBLIC
0850 PM HAIL 10 NNW GOODLETT 34.47N 99.95W
05/16/2010 E1.75 INCH HARDEMAN TX AMATEUR RADIO
0940 PM HAIL 4 SE QUANAH 34.25N 99.69W
05/16/2010 E1.75 INCH HARDEMAN TX AMATEUR RADIO
REPORTED AT LAKE PAULINE
0941 PM HAIL 1 ESE QUANAH 34.29N 99.73W
05/16/2010 E1.75 INCH HARDEMAN TX AMATEUR RADIO
1017 PM HAIL MEDICINE MOUND 34.19N 99.59W
05/16/2010 E1.75 INCH HARDEMAN TX AMATEUR RADIO
1040 PM HAIL 6 S CHILLICOTHE 34.17N 99.51W
05/16/2010 E1.75 INCH HARDEMAN TX AMATEUR RADIO
&&
$$
CR/AG/FM
|