Dry and windy conditions will bring widespread fire weather concerns to the northern/central Plains and portions of the Southwest into the southern Plains. Severe thunderstorms with large hail and damaging wind gusts are possible over the central Plains today into this weekend. Rain and high elevation snow is expected over parts of the Cascades and Northern Intermountain Region through Saturday. Read More >
Overview
A long lived supercell moved southeast across eastern Kansas on July 11. This storm produced a 100 mile long swath of large hail in excess of 1 inch. Reports of four inch hail were received from both Wabaunsee and Coffey Counties.
Photos & Video
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| Hail up to 4.5" wide near Dover, KS. (Jayson Prentice) |
Car windshield destroyed by large hail near Dover. (Jayson Prentice) |
Softball size hail near Maple Hill, KS (Karen Kraus) |
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| 4.1" wide hail 3 miles north of Paxico. (Anna Lukert) |
4 inch hail in Waverly around 3:07 PM. (Courtney Moloney) |
4 inch hail in Waverly. (Courtney Moloney) |
Radar and Environment
Radar
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| Radar at 12:59 PM - Storm over Westmoreland | Radar at 1:38 PM - Storm over Maple Hill | Radar at 2:12 PM - Storm over Auburn | Radar at 3:04 PM - Storm over Waverly |
Environment
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| 18z (1PM CDT) Topeka Sounding. Weak low-level shear but strong deep-layer shear and steep lapse rates. | Storm Prediction Center 1630z convective outlook. The outlook highlighted the potential for significant (2"+) hail. | SPC mesoscale discussion graphic at 12:43 PM. Highlighted potential for very large hail across northeast Kansas, given 50 kts of effective shear and 2500-4000 J/kg of mixed-layer CAPE. |
Storm Reports
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| National view of severe weather reports on July 11. Note several long swaths of damaging winds and large hail. | Zoomed in view of hail reports across eastern Kansas on July 11. |
HAIL REPORT SUMMARY...
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0155 PM HAIL 3 NW DOVER 38.99N 95.98W
07/11/2020 E4.00 INCH WABAUNSEE KS PUBLIC
0150 PM HAIL 4 ESE PAXICO 39.06N 96.10W
07/11/2020 E1.75 INCH WABAUNSEE KS TRAINED SPOTTER
0157 PM HAIL 2 NW DOVER 38.99N 95.97W
07/11/2020 E3.00 INCH WABAUNSEE KS TRAINED SPOTTER
SPOTTER REPORTED UP TO 3.5 INCH HAIL.
0315 PM HAIL 2 SW TECUMSEH 39.03N 95.61W
07/11/2020 M1.00 INCH SHAWNEE KS PUBLIC
0221 PM HAIL 1 N AUBURN 38.91N 95.82W
07/11/2020 E1.00 INCH SHAWNEE KS NWS EMPLOYEE
0205 PM HAIL 4 S DOVER 38.91N 95.93W
07/11/2020 E2.00 INCH SHAWNEE KS PUBLIC
SOCIAL MEDIA POST SHOWING UP TO 2 INCH HAIL.
0127 PM HAIL WAMEGO 39.20N 96.30W
07/11/2020 E1.75 INCH POTTAWATOMIE KS STORM CHASER
0103 PM HAIL WESTMORELAND 39.39N 96.41W
07/11/2020 E1.75 INCH POTTAWATOMIE KS TRAINED SPOTTER
0100 PM HAIL WESTMORELAND 39.39N 96.42W
07/11/2020 E2.75 INCH POTTAWATOMIE KS PUBLIC
SEVERAL LARGE SIZE HAILSTONES FALLING WITH
SOME OF THE LARGEST BEING BASEBALL ALONG
WITH GOLF BALL SIZE HAIL.
0155 PM HAIL 4 W DOVER 38.96N 96.02W
07/11/2020 M4.50 INCH WABAUNSEE KS STORM CHASER
DELAYED REPORT OF 4.5 INCH. RECEIVED ON
SOCIAL MEDIA.
0220 PM HAIL 3 SW AUBURN 38.87N 95.85W
07/11/2020 E1.75 INCH OSAGE KS TRAINED SPOTTER
0218 PM HAIL 5 SW AUBURN 38.84N 95.87W
07/11/2020 E2.00 INCH OSAGE KS PUBLIC
SOCIAL MEDIA POST SHOWING UP TO 2 INCH HAIL.
0309 PM HAIL 1 S WAVERLY 38.38N 95.60W
07/11/2020 E2.00 INCH COFFEY KS PUBLIC
0307 PM HAIL WAVERLY 38.39N 95.60W
07/11/2020 E4.00 INCH COFFEY KS LAW ENFORCEMENT
TIME ESTIMATED BY RADAR.
0357 PM HAIL 4 NW LONE ELM 38.13N 95.30W
07/11/2020 E1.00 INCH ANDERSON KS TRAINED SPOTTER
0353 PM HAIL 5 SSW GARNETT 38.22N 95.28W
07/11/2020 E1.75 INCH ANDERSON KS EMERGENCY MNGR
0351 PM HAIL 4 NW LONE ELM 38.13N 95.30W
07/11/2020 E1.00 INCH ANDERSON KS EMERGENCY MNGR
0339 PM HAIL 5 W GARNETT 38.28N 95.33W
07/11/2020 E2.00 INCH ANDERSON KS PUBLIC
0337 PM HAIL 3 SSE HARRIS 38.28N 95.42W
07/11/2020 M3.00 INCH ANDERSON KS TRAINED SPOTTER
MEASURE 3.25 INCH HAIL.
0328 PM HAIL 5 N WESTPHALIA 38.25N 95.49W
07/11/2020 E1.00 INCH ANDERSON KS CO-OP OBSERVER
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