Alert archive / Alabama / Red Flag Warnings in 2012
Red Flag Warning 2, NWS Huntsville, AL
NWS Huntsville, AL issued this red flag warning at Jan 3, 2012, 2:27 AM CST for 11 counties in Alabama. It took effect at Jan 3, 2012, 12:00 PM CST. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 3, 2012, 2:27 AM CST (08:27 UTC)
- In effect from
- Jan 3, 2012, 12:00 PM CST
- Expired
- Jan 3, 2012, 4:21 PM CST
- In force
- 4 hr
- Issued by
- NWS Huntsville, AL
Counties Colbert County, AL, Cullman County, AL, DeKalb County, AL, Franklin County, AL, Jackson County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marshall County, AL, Morgan County, AL
The radar
The Northeast Alabama radar (KHTX), 85 km from the middle of the area, began a volume at 08:27 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Birmingham, AL (KBMX), launched 00:00Z, 8.5 hours before the alert went out and 156 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2491 m above ground
- 0-6 km bulk shear
- 114 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
872 WWUS84 KHUN 030827 RFWHUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE HUNTSVILLE AL 227 AM CST TUE JAN 3 2012 ALZ001>010-016-032300- /O.UPG.KHUN.FW.A.0001.120103T1800Z-120103T2300Z/ /O.NEW.KHUN.FW.W.0002.120103T1800Z-120103T2300Z/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN- 227 AM CST TUE JAN 3 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON FOR LOW HUMIDITY VALUES INCLUDING ALL OF NORTHERN ALABAMA... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON. * AFFECTED AREA: LAUDERDALE...COLBERT...FRANKLIN AL... LAWRENCE...LIMESTONE...MADISON...MORGAN...MARSHALL... JACKSON...DEKALB...AND CULLMAN COUNTIES. * TIMING: FROM NOON UNTIL 5 PM CST TODAY. * RELATIVE HUMIDITY: MINIMUM RELATIVE HUMIDITY VALUES WILL FALL TO OR BELOW 25 PERCENT FOR 4 HOURS THIS AFTERNOON. * IMPACTS: THE VERY DRY AIRMASS IN PLACE ACROSS THE REGION WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. GUSTY NORTHWESTERLY WINDS WILL SUBSIDE THROUGH THE DAY...BUT STRONGER WINDS WILL REMAIN IN THE HIGHER ELEVATION AREAS OF NORTHEASTERN ALABAMA AND SOUTHERN MIDDLE TENNESSEE...ELEVATING THE FIRE DANGER FOR BOTH LOW HUMIDITY AND STRONG WINDS IN THESE AREAS. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. LOW RELATIVE HUMIDITY OVER A PROLONGED PERIOD WILL INCREASE FIRE GROWTH POTENTIAL. && $$ 12
1 follow-up statement
596 WWUS84 KHUN 032221 RFWHUN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE HUNTSVILLE AL 421 PM CST TUE JAN 3 2012 ALZ001>010-016-032330- /O.CAN.KHUN.FW.W.0002.000000T0000Z-120103T2300Z/ LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN- 421 PM CST TUE JAN 3 2012 ...RED FLAG WARNING IS CANCELLED FOR NORTH ALABAMA... THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS CANCELLED THE RED FLAG WARNING. RELATIVE HUMIDITY VALUES WILL GENERALLY REMAIN AT OR ABOVE 25 PERCENT FOR THE REMAINDER OF THE AFTERNOON...THUS...THE RED FLAG WARNING IS CANCELLED. $$
Nearby
Red Flag Warnings in Alabama, 2012Every red flag warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.