Alert archive / Colorado / Red Flag Warnings in 2012
Red Flag Warning 18, NWS Pueblo, CO
NWS Pueblo, CO issued this red flag warning at May 4, 2012, 4:10 AM MDT for Chaffee County, Lake County, Colorado. It took effect at May 4, 2012, 12:00 PM MDT. It was in force for 7 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
- May 4, 2012, 4:10 AM MDT (10:10 UTC)
- In effect from
- May 4, 2012, 12:00 PM MDT
- Expired
- May 4, 2012, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Pueblo, CO
Counties Chaffee County, CO, Lake County, CO
The radar
The Grand Junction radar (KGJX), 168 km from the middle of the area, began a volume at 10:15 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
Grand Junction, CO (KGJT), launched 00:00Z, 10.2 hours before the alert went out and 193 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
- 4293 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
442 WWUS85 KPUB 041010 RFWPUB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 410 AM MDT FRI MAY 4 2012 ...A RED FLAG WARNING FOR GUSTY WINDS...LOW RELATIVE HUMIDITY VALUES...AND DRY FUELS...HAS BEEN ISSUED FOR THIS AFTERNOON AND EVENING...FROM 1200 TO 1900 LOCAL TIME...FOR FIRE WEATHER ZONE 220...WHICH INCLUDES CHAFFEE AND LAKE COUNTIES... COZ220-050100- /O.NEW.KPUB.FW.W.0018.120504T1800Z-120505T0100Z/ UPPER ARKANSAS RIVER VALLEY- 410 AM MDT FRI MAY 4 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 220... THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING. * AFFECTED AREA...FIRE WEATHER ZONE 220. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * IMPACTS...CONDITIONS WILL BE FAVORABLE FOR EXTREME FIRE BEHAVIOR WITH RAPID RATES OF FIRE GROWTH AND SPREAD POSSIBLE SHOULD A FIRE START. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
2 follow-up statements
996 WWUS85 KPUB 042028 RFWPUB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 228 PM MDT FRI MAY 4 2012 ...A RED FLAG WARNING FOR GUSTY WINDS...LOW RELATIVE HUMIDITY VALUES...AND DRY FUELS...REMAINS IN EFFECT UNTIL 7 PM MDT...FOR FIRE WEATHER ZONE 220...WHICH INCLUDES CHAFFEE AND LAKE COUNTIES... COZ220-050100- /O.CON.KPUB.FW.W.0018.000000T0000Z-120505T0100Z/ UPPER ARKANSAS RIVER VALLEY- 228 PM MDT FRI MAY 4 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 220... * AFFECTED AREA...FIRE WEATHER ZONE 220. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...CONDITIONS WILL BE FAVORABLE FOR EXTREME FIRE BEHAVIOR WITH RAPID RATES OF FIRE GROWTH AND SPREAD POSSIBLE SHOULD A FIRE START. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
318 WWUS85 KPUB 050037 RFWPUB URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 637 PM MDT FRI MAY 4 2012 ...RED FLAG WARNING FOR ZONE 220...THE UPPER ARKANSAS RIVER VALLEY...WILL EXPIRE AT 7 PM THIS EVENING... COZ220-050145- /O.EXP.KPUB.FW.W.0018.000000T0000Z-120505T0100Z/ UPPER ARKANSAS RIVER VALLEY- 637 PM MDT FRI MAY 4 2012 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR FIRE WEATHER ZONE 220...THE UPPER ARKANSAS RIVER VALLEY. $$
Nearby
Red Flag Warnings in Colorado, 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.