Alert archive / Iowa / Red Flag Warnings in 2014
Red Flag Warning 2, NWS Des Moines, IA
NWS Des Moines, IA issued this red flag warning at Apr 16, 2014, 4:13 AM CDT for 31 counties in Iowa. It took effect at Apr 16, 2014, 12:00 PM CDT. It was in force for 6 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
- Apr 16, 2014, 4:13 AM CDT (09:13 UTC)
- In effect from
- Apr 16, 2014, 12:00 PM CDT
- Expired
- Apr 16, 2014, 6:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Des Moines, IA
All 31 counties
Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Boone County, IA, Carroll County, IA, Cass County, IA, Clarke County, IA, Crawford County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Greene County, IA, Guthrie County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Monroe County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA
The radar
The Des Moines radar (KDMX), 38 km from the middle of the area, began a volume at 09:12 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
Omaha, NE (KOAX), launched 00:00Z, 9.2 hours before the alert went out and 221 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
- 2239 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 705 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
009 WWUS83 KDMX 160913 RFWDMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 413 AM CDT WED APR 16 2014 ...A RED FLAG WARNING IS IN EFFECT FOR MUCH OF SOUTHERN IOWA FROM LATE THIS MORNING THROUGH THE AFTERNOON... .A STRONG SOUTH TO SOUTHWEST WIND AND DRIER AIR MOVING IN WILL LOWER THE RELATIVE HUMIDITY LATE THIS MORNING AND AFTERNOON TO BETWEEN 25 AND 30 PERCENT ACROSS MUCH OF SOUTHERN IOWA. THIS WILL LEAD TO RED FLAG CONDITIONS. IAZ035>038-046>050-161015- /O.CAN.KDMX.FW.A.0001.140416T1500Z-140417T0000Z/ WEBSTER-HAMILTON-HARDIN-GRUNDY-GREENE-BOONE-STORY-MARSHALL-TAMA- 413 AM CDT WED APR 16 2014 ...FIRE WEATHER WATCH IS CANCELLED FOR EXTREME FIRE CONDITIONS.... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS CANCELLED THE FIRE WEATHER WATCH. A STRONG SOUTH TO SOUTHWEST WIND WILL OCCUR TODAY ACROSS THE AREA BUT WIND SPEEDS WILL BE JUST BELOW CRITERIA FOR A RED FLAG WARNING. THE COMBINATION OF WIND AND LOW RELATIVE HUMIDITIES WILL STILL LEAD TO AN ELEVATED FIRE DANGER TODAY...ESPECIALLY SOUTH OF HIGHWAY 30. $$ IAZ058>062-070>075-081>086-092>097-161715- /O.UPG.KDMX.FW.A.0001.140416T1500Z-140417T0000Z/ /O.NEW.KDMX.FW.W.0002.140416T1700Z-140416T2300Z/ GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN- MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR- RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- 413 AM CDT WED APR 16 2014 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING FOR EXTREME FIRE CONDITIONS.... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A RED FLAG WARNING FOR EXTREME FIRE CONDITIONS...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * TIMING...THE STRONGEST WINDS WILL OCCUR FROM MID MORNING TO MID AFTERNOON. RELATIVE HUMIDITY WILL FALL THROUGHOUT THE MORNING AND BOTTOM OUT DURING THE AFTERNOON HOURS. * WIND...A SOUTH SOUTHWEST AT 20 TO 35 MPH WITH GUSTS TO NEAR 45MPH AT TIMES. * RELATIVE HUMIDITY...AS LOW AS 27 PERCENT. * FUEL...FUELS SHOULD DRY QUICKLY TODAY WITH INCREASING WIND AND DRIER AIR MOVING IN. * IMPACTS...ANY FIRES THAT START MAY SPREAD RAPIDLY DUE TO THE VERY STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ IAZ057-161715- /O.NEW.KDMX.FW.W.0002.140416T1700Z-140416T2300Z/ AUDUBON- 413 AM CDT WED APR 16 2014 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING FOR EXTREME FIRE CONDITIONS.... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A RED FLAG WARNING FOR EXTREME FIRE CONDITIONS...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM CDT THIS EVENING. TIMING...THE STRONGEST WINDS WILL OCCUR FROM MID MORNING TO MID AFTERNOON. RELATIVE HUMIDITY WILL FALL THROUGHOUT THE MORNING AND BOTTOM OUT DURING THE AFTERNOON HOURS. * WIND...A SOUTH SOUTHWEST AT 20 TO 35 MPH WITH GUSTS TO NEAR 45MPH AT TIMES. * RELATIVE HUMIDITY...AS LOW AS 27 PERCENT. * FUEL...FUELS SHOULD DRY QUICKLY TODAY WITH INCREASING WIND AND DRIER AIR MOVING IN. * IMPACTS...ANY FIRES THAT START MAY SPREAD RAPIDLY DUE TO THE VERY STRONG WINDS. 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. && $$ FAB
3 follow-up statements
109 WWUS83 KDMX 161444 RFWDMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 944 AM CDT WED APR 16 2014 ...RED FLAG WARNING FOR MUCH OF CENTRAL AND SOUTHERN IOWA... .STRONG SOUTH TO SOUTHWEST WINDS AND LOW RELATIVE HUMIDITY WILL LEAD TO CRITICAL FIRE WEATHER CONDITIONS BY THIS AFTERNOON. IAZ044>050-162245- /O.EXA.KDMX.FW.W.0002.140416T1700Z-140416T2300Z/ CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA- 944 AM CDT WED APR 16 2014 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR EXTREME FIRE CONDITIONS.... THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A RED FLAG WARNING FOR EXTREME FIRE CONDITIONS...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * TIMING...THE STRONGEST WINDS WILL OCCUR FROM MID MORNING TO MID AFTERNOON. RELATIVE HUMIDITY WILL FALL THROUGHOUT THE MORNING AND BOTTOM OUT DURING THE AFTERNOON HOURS. * WIND...SOUTH TURNING TOWARD SOUTHWEST AT 25 TO 30 MPH WITH GUSTS TO NEAR 45 MPH AT TIMES. * RELATIVE HUMIDITY...FALLING TO AROUND 25 PERCENT. * FUEL...FUELS SHOULD DRY QUICKLY AND WILL BURN EASILY. * IMPACTS...ANY FIRES THAT START MAY SPREAD RAPIDLY DUE TO THE VERY STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ IAZ057>062-070>075-081>086-092>097-162245- /O.CON.KDMX.FW.W.0002.140416T1700Z-140416T2300Z/ AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON- WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO- TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS- 944 AM CDT WED APR 16 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR EXTREME FIRE CONDITIONS.... * TIMING...THE STRONGEST WINDS WILL OCCUR FROM MID MORNING TO MID AFTERNOON. RELATIVE HUMIDITY WILL FALL THROUGHOUT THE MORNING AND BOTTOM OUT DURING THE AFTERNOON HOURS. * WIND...SOUTH TURNING TOWARD SOUTHWEST AT 25 TO 30 MPH WITH GUSTS TO NEAR 45 MPH AT TIMES. * RELATIVE HUMIDITY...FALLING TO AROUND 25 PERCENT. * FUEL...FUELS SHOULD DRY QUICKLY AND WILL BURN EASILY. * IMPACTS...ANY FIRES THAT START MAY SPREAD RAPIDLY DUE TO THE VERY STRONG WINDS. 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. && $$ LEE
038 WWUS83 KDMX 162106 RFWDMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 406 PM CDT WED APR 16 2014 ...RED FLAG WARNING FOR MUCH OF CENTRAL AND SOUTHERN IOWA... .STRONG SOUTH TO SOUTHWEST WINDS AND LOW RELATIVE HUMIDITY ARE PRODUCING CRITICAL FIRE WEATHER CONDITIONS LATE THIS AFTERNOON. IAZ044>050-057>062-070>075-081>086-092>097-162300- /O.CON.KDMX.FW.W.0002.000000T0000Z-140416T2300Z/ CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE- DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION- MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD- DECATUR-WAYNE-APPANOOSE-DAVIS- 406 PM CDT WED APR 16 2014 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR EXTREME FIRE CONDITIONS.... * SHORT TERM TRENDS...STRONG WINDS LATE THIS AFTERNOON WILL DIMINISH GRADUALLY THIS EVENING. RELATIVE HUMIDITY REMAIN STEADY UNTIL SUNSET THEN INCREASE AFTER DARK. * WIND...SOUTH SOUTHWEST AT AROUND 30 MPH WITH GUSTS TO NEAR 45 MPH LATE THIS AFTERNOON...THEN DECREASING TO AROUND 20 MPH AND GUSTY BY 8 PM. * RELATIVE HUMIDITY...AROUND 30 PERCENT LATE THIS AFTERNOON. * FUEL...FUELS ARE DRY AND WILL BURN EASILY. * IMPACTS...ANY FIRES THAT START MAY SPREAD RAPIDLY DUE TO THE VERY STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ LEE
180 WWUS83 KDMX 162315 RFWDMX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DES MOINES IA 615 PM CDT WED APR 16 2014 IAZ044>050-057>062-070>075-081>086-092>097-170015- /O.EXP.KDMX.FW.W.0002.000000T0000Z-140416T2300Z/ CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE- DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION- MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD- DECATUR-WAYNE-APPANOOSE-DAVIS- 615 PM CDT WED APR 16 2014 ...RED FLAG WARNING HAS EXPIRED FOR EXTREME FIRE CONDITIONS.... GUSTY WINDS WILL CONTINUE TO DIMINISH SOME THIS EVENING...WITH TEMPERATURES FALLING AND RH VALUES CLIMBING. THEREFORE THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. $$ MJB
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 4:21 AM CDT | Wind Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 29 more | 14 hr |
Nearby
Red Flag Warnings in Iowa, 2014Every red flag warning in 2014
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.