Alert archive / Iowa / Red Flag Warnings in 2015
Red Flag Warning 4, NWS La Crosse, WI
NWS La Crosse, WI issued this red flag warning at Oct 18, 2015, 2:02 PM CDT for 8 counties in Iowa. It took effect at Oct 19, 2015, 10:00 AM CDT. It was in force for 9 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 18, 2015, 2:02 PM CDT (19:02 UTC)
- In effect from
- Oct 19, 2015, 10:00 AM CDT
- Expired
- Oct 19, 2015, 7:00 PM CDT
- In force
- 9 hr
- Issued by
- NWS La Crosse, WI
Counties Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA
The radar
The La Crosse radar (KARX), 104 km from the middle of the area, began a volume at 19:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 19, 2:38 PM CDT | WILDFIRE | 4 Wsw Oelwein, IA | LARGE CORN FIELD FIRE REPORTED. MULTIPLE AGENCIES ON SCENE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 7.0 hours before the alert went out and 213 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
- 2061 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
561 WWUS83 KARX 181902 RFWARX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 202 PM CDT SUN OCT 18 2015 ...DANGEROUS FIRE WEATHER CONDITIONS EXPECTED MONDAY... .SOUTH WINDS IN THE 20-30 MPH RANGE WITH GUSTS NEARING 40 MPH WILL COMBINE WITH LOW RELATIVE HUMIDITY VALUES OF 25 TO 30 PERCENT...ALONG WITH DRYING/CURED GRASSES AND CROPS TO PRODUCE DANGEROUS FIRE WEATHER CONDITIONS. ANY FIRES THAT DEVELOP WILL LIKELY SPREAD QUICKLY AND COULD GET OUT OF CONTROL. OUTDOOR BURNING SHOULD BE AVOIDED. IAZ008>011-018-019-029-030-190315- /O.NEW.KARX.FW.W.0004.151019T1500Z-151020T0000Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON- 202 PM CDT SUN OCT 18 2015 ...RED FLAG WARNING IN EFFECT FROM 10 AM TO 7 PM CDT MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST IOWA... THE NATIONAL WEATHER SERVICE IN LA CROSSE HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM TO 7 PM CDT MONDAY. * AFFECTED AREA...IN IOWA...MITCHELL...HOWARD...WINNESHIEK... ALLAMAKEE...FLOYD...CHICKASAW...FAYETTE...CLAYTON. * FROM 10 AM UNTIL 7 PM MONDAY * PLAN ON SOUTH WINDS OF 20-30 MPH WITH GUSTS NEARING 40 MPH. * MINIMUM RELATIVE HUMIDITY READINGS WILL DIP INTO THE 25 TO 30 PERCENT RANGE. * ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND GET OUT OF CONTROL. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE DANGER. && $$ DAS
5 follow-up statements
110 WWUS83 KARX 190112 RFWARX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 812 PM CDT SUN OCT 18 2015 ...DANGEROUS FIRE WEATHER CONDITIONS EXPECTED MONDAY... .GUSTY SOUTHWEST WINDS OF 20 TO 30 MPH COMBINED WITH LOW RELATIVE HUMIDITY AND RECENT DRY CONDITIONS WILL PRODUCE DANGEROUS FIRE WEATHER CONDITIONS ACROSS NORTHEAST IOWA ON MONDAY. ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY AND GET OUT OF CONTROL. OUTDOOR BURNING SHOULD BE AVOIDED. IAZ008>011-018-019-029-030-191200- /O.CON.KARX.FW.W.0004.151019T1500Z-151020T0000Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON- 812 PM CDT SUN OCT 18 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST IOWA... * AFFECTED AREA...IN IOWA...MITCHELL...HOWARD...WINNESHIEK... ALLAMAKEE...FLOYD...CHICKASAW...FAYETTE... AND CLAYTON COUNTIES. * TIMING...10 AM UNTIL 7 PM MONDAY. * WINDS...SOUTHWEST 20 TO 30 MPH...WITH GUSTS AS HIGH AS 40 MPH. * HUMIDITY...MINIMUM HUMIDITY LEVELS OF 22 TO 30 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP ON MONDAY WILL SPREAD RAPIDLY AND COULD GET OUT OF CONTROL. OUTDOOR BURNING SHOULD BE AVOIDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE DANGER. && $$ LAWRENCE
169 WWUS83 KARX 190828 RFWARX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 328 AM CDT MON OCT 19 2015 ...DANGEROUS FIRE WEATHER CONDITIONS TODAY... .GUSTY SOUTHWEST WINDS OF 20 TO 30 MPH COMBINED WITH LOW RELATIVE HUMIDITY AND RECENT DRY CONDITIONS WILL PRODUCE DANGEROUS FIRE WEATHER CONDITIONS ACROSS NORTHEAST IOWA TODAY. ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY AND GET OUT OF CONTROL. OUTDOOR BURNING SHOULD BE AVOIDED. IAZ008>011-018-019-029-030-191630- /O.CON.KARX.FW.W.0004.151019T1500Z-151020T0000Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON- 328 AM CDT MON OCT 19 2015 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST IOWA... * AFFECTED AREA...IN IOWA...MITCHELL...HOWARD...WINNESHIEK... ALLAMAKEE...FLOYD...CHICKASAW...FAYETTE... AND CLAYTON COUNTIES. * TIMING...10 AM UNTIL 7 PM. * WINDS...SOUTHWEST 20 TO 30 MPH...GUSTS AROUND 35. * HUMIDITY...MINIMUM HUMIDITY NEAR 30 PERCENT. * IMPACTS...ANY FIRES THAT DEVELOP WILL SPREAD RAPIDLY AND COULD GET OUT OF CONTROL. OUTDOOR BURNING SHOULD BE AVOIDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE DANGER. && $$ RIECK
045 WWUS83 KARX 191534 RFWARX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 1034 AM CDT MON OCT 19 2015 ...DANGEROUS FIRE WEATHER CONDITIONS THROUGH EARLY THIS EVENING... .STRONG SOUTHWEST WINDS OF 20 TO 30 MPH...GUSTING TO NEAR 40 MPH ALONG WITH LOW RELATIVE HUMIDITY AND DRY CONDITIONS WILL PRODUCE DANGEROUS FIRE WEATHER CONDITIONS ACROSS NORTHEAST IOWA THROUGH EARLY THIS EVENING. ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY AND GET OUT OF CONTROL. OUTDOOR BURNING SHOULD BE AVOIDED. IAZ008>011-018-019-029-030-192345- /O.CON.KARX.FW.W.0004.000000T0000Z-151020T0000Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON- 1034 AM CDT MON OCT 19 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST IOWA... * UNTIL 7 PM THIS EVENING * PLAN ON SOUTHWEST WINDS OF 20-30 MPH WITH GUSTS NEARING 40 MPH. * MINIMUM RELATIVE HUMIDITY READINGS WILL DIP INTO THE 25 TO 30 PERCENT RANGE. * ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND GET OUT OF CONTROL. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE DANGER. && $$ DAS
609 WWUS83 KARX 192006 RFWARX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 306 PM CDT MON OCT 19 2015 ...DANGEROUS FIRE WEATHER CONDITIONS TO CONTINUE INTO EARLY THIS EVENING... .STRONG SOUTHWEST WINDS OF 20 TO 30 MPH...GUSTING INTO THE 35 TO 40 MPH RANGE ALONG WITH LOW RELATIVE HUMIDITY AND DRY CONDITIONS CONTINUE TO PRODUCE DANGEROUS FIRE WEATHER CONDITIONS ACROSS NORTHEAST IOWA THIS AFTERNOON. A LARGE CORNFIELD FIRE WAS REPORTED IN SOUTHWEST FAYETTE COUNTY WEST OF OELWEIN. ANY FIRES THAT DEVELOP WILL HAVE THE POTENTIAL TO SPREAD RAPIDLY AND GET OUT OF CONTROL. OUTDOOR BURNING SHOULD BE AVOIDED. IAZ008>011-018-019-029-030-200000- /O.CON.KARX.FW.W.0004.000000T0000Z-151020T0000Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON- 306 PM CDT MON OCT 19 2015 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST IOWA... * UNTIL 7 PM THIS EVENING * PLAN ON SOUTHWEST WINDS OF 20-30 MPH WITH GUSTS IN THE 35 TO 40 MPH RANGE. * MINIMUM RELATIVE HUMIDITY READINGS WILL BE IN THE 25 TO 30 PERCENT RANGE. * ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND GET OUT OF CONTROL. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO OCCUR. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY WILL CREATE EXTREME FIRE DANGER. && $$ DAS
909 WWUS83 KARX 192347 RFWARX URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LA CROSSE WI 647 PM CDT MON OCT 19 2015 IAZ008>011-018-019-029-030-200100- /O.EXP.KARX.FW.W.0004.000000T0000Z-151020T0000Z/ MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE- CLAYTON- 647 PM CDT MON OCT 19 2015 ...RED FLAG WARNING WILL EXPIRE AT 7 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST IOWA... AFTER A DAY OF WARM...WINDY...AND DRY WEATHER...FIRE WEATHER CONDITIONS WILL IMPROVE THROUGH THE EVENING AS TEMPERATURES COOL AND WINDS GRADUALLY SUBSIDE. AS SUCH...THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AS OF 7 PM. HOWEVER...BURNING IS STILL NOT RECOMMENDED AS CONDITIONS REMAIN VERY DRY DUE TO THE LACK OF SIGNIFICANT RAIN THE PAST 3 TO 4 WEEKS. $$ LAWRENCE
Nearby
Red Flag Warnings in Iowa, 2015Every red flag warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.