Caribou, ME

Weather Forecast Office

CAR Fire Information

For Moderate/High/Extreme hazard risk, more detailed information will be provided via emailed briefings to core partners.

Coastal Flooding --- Fire --- Flooding --- Heat --- Thunderstorms --- Tropical --- Winter

Spot Fire Weather Forecast Request

Request Procedures & User Instructions

Red Flag Event Criteria

1) Forest fuel conditions dry enough to support dangerous fire behavior. This shall be coordinated with the New Hampshire Forest Protection Bureau, and the Maine Forest Service.

2) Weather conditions which could result in dangerous fire behavior. Generally, this is caused by a combination of strong winds and low relative humidity.

Wind	10-15 mph	15-19 mph	20-29 mph	>30 mpg
RH 30% to 35%				W
RH 25% to 30%			W	W
RH 20% to 25%		W	W	W
RH < 20%	W	W	W	W

Note: Both forest and weather conditions must be expected to issue a Red Flag Warning.

Fire Weather Watch is issued up to 72 hours in advance of expected onset of red flag criteria

Red Flag Warning is issued when red flag criteria will occur in 24 hours or less

Day 1 Min RH

Map displays 24 hour minimum relative humidity values for Day 1.

Map is updated every time the forecaster issues a new forecast.

Day 2 Min RH

Map displays 24 hour minimum relative humidity values for Day 2.

Map is updated every time the forecaster issues a new forecast.

Day 1 Fire Weather Discussion

The Day 1 Outlook covers the 24-hour period from 12Z on the morning of product issuance to 12Z the following morning, with the update covering the 19-hour period from 17Z at issuance to 12Z the following morning.

Day 2 Fire Weather Discussion

Day 2 Outlook

The Day 2 Outlook covers the following 24-hour period after Day 1 out to 48 hours. The Day 2 Fire Weather Outlook is scheduled for issuance at 10Z and is updated at 20Z.

Day 3-8 Fire Wx Discussion

Day 3-8 Outlook

The Day 3-8 Outlook covers the period of 48 to 192 hours from 12Z on the morning of product issuance. The Day 3-8 Fire Weather Outlook is scheduled for issuance at 22Z.

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Short-Range Ensemble Forecast (SREF)

Short-Range Ensemble Forecast is produced by postprocessing the 21 members NCEP SREF plus the operational WRF-NAM for a total of 22 members. Special emphasis is placed on high-impact, mesoscale guidance including fire weather.

Hazards Assessment

Weather Hazards

Map displays active watch, warnings, advisories and short term forecasts in the lower 48 states. Map automatically refreshes every five minutes.

Loop of sea-level pressures and fronts through day 7

National Forecast Maps

Surface Analysis

The Weather Prediction Center (WPC) produces surface maps which depicts the analysis of highs, lows, fronts, troughs, outflow boundaries, squall lines, and drylines.