Alert archive / Iowa / Red Flag Warnings in 2011
Red Flag Warning 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this red flag warning at Apr 12, 2011, 1:48 PM CDT. 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
- Apr 12, 2011, 1:48 PM CDT (18:48 UTC)
- Expired
- Apr 12, 2011, 5:59 PM CDT
- In force
- 4 hr
- Issued by
- NWS Sioux Falls, SD
The text
As transmitted, in the capitals the NWS used until 2016.
112 WWUS83 KFSD 121848 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 148 PM CDT TUE APR 12 2011 .LOW HUMIDITY AND GUSTY WINDS WILL RESULT IN DANGEROUS FIRE CONDITIONS ACROSS SOUTHEAST SOUTH DAKOTA...NORTHEAST NEBRASKA...AND NORTHWEST IOWA THIS AFTERNOON. IAZ300-NEZ249-SDZ258-122300- /O.NEW.KFSD.FW.W.0001.110412T1848Z-110412T2300Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 148 PM CDT TUE APR 12 2011 ...RED FLAG WARNING IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 249...258 AND 300... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 6 PM CDT THIS EVENING. * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300 NORTHERN LOESS HILLS AND FLOYD RIVER BASIN. IN NEBRASKA...FIRE WEATHER ZONE 249 EXTREME NORTHEAST NEBRASKA. IN SOUTH DAKOTA...FIRE WEATHER ZONE 258 LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY. * WIND...SOUTHWEST WINDS OF 15 TO 20 MPH WILL CONTINUE THROUGH THIS EVENING...WITH OCCASIONAL GUSTS TO 25 MPH. * HUMIDITY...RELATIVE HUMIDITY VALUES OF 20 TO 25 PERCENT WILL PERSIST THROUGH 6 PM CDT. * IMPACTS...DANGEROUS FIRE CONDITIONS WILL PREVAIL THROUGH THE AFTERNOON. FIRES COULD START EASILY AND SPREAD VERY QUICKLY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR IN THE NEAR FUTURE. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ HTTP://WEATHER.GOV/SIOUXFALLS
1 follow-up statement
336 WWUS83 KFSD 122259 RFWFSD URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SIOUX FALLS SD 559 PM CDT TUE APR 12 2011 .SURFACE WINDS CONTINUE TO DISSIPATE EARLY THIS EVENING...ALLOWING THE RED FLAG WARNING TO EXPIRE. IAZ300-NEZ249-SDZ258-130000- /O.CAN.KFSD.FW.W.0001.000000T0000Z-110412T2300Z/ NORTHERN LOESS HILLS AND FLOYD RIVER BASIN- EXTREME NORTHEAST NEBRASKA- LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY- 559 PM CDT TUE APR 12 2011 ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 249...258 AND 300... THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS CANCELLED THE RED FLAG WARNING. * AFFECTED AREA...IN IOWA...FIRE WEATHER ZONE 300 NORTHERN LOESS HILLS AND FLOYD RIVER BASIN. IN NEBRASKA...FIRE WEATHER ZONE 249 EXTREME NORTHEAST NEBRASKA. IN SOUTH DAKOTA...FIRE WEATHER ZONE 258 LOWER JAMES RIVER TO LOWER BIG SIOUX RIVER VALLEY. * WIND...SOUTH TO SOUTHWEST WINDS WILL CONTINUE TO DISSIPATE TO THE 10 TO 15 MPH RANGE. * HUMIDITY...HUMIDITY VALUES WILL RAPIDLY REBOUND EARLY THIS EVENING TO GREATER THAN 30 TO 40 PERCENT. $$ HTTP://WEATHER.GOV/SIOUXFALLS
Nearby
Red Flag Warnings in Iowa, 2011Red Flag Warnings in South Dakota, 2011Red Flag Warnings in Nebraska, 2011Every red flag warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.