Alert archive / Kansas / Red Flag Warnings in 2011
Red Flag Warning 20, NWS Dodge City, KS
NWS Dodge City, KS issued this red flag warning at Apr 18, 2011, 3:28 AM CDT for 6 counties in Kansas. It took effect at Apr 18, 2011, 1:00 PM CDT. 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
- Apr 18, 2011, 3:28 AM CDT (08:28 UTC)
- In effect from
- Apr 18, 2011, 1:00 PM CDT
- Expired
- Apr 18, 2011, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- NWS Dodge City, KS
Counties Grant County, KS, Hamilton County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS
The radar
The Dodge City radar (KDDC), 137 km from the middle of the area, began a volume at 08:33 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
Dodge City, (KDDC), launched 00:00Z, 8.5 hours before the alert went out and 143 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
- 4699 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
505 WWUS83 KDDC 180828 RFWDDC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DODGE CITY KS 328 AM CDT MON APR 18 2011 ...CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP THIS AFTERNOON FOR A PART OF SOUTHWEST KANSAS... CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP DURING THE AFTERNOON HOURS AS GUSTY SOUTH WINDS DEVELOP AHEAD OF A DEEPENING LOW PRESSURE SYSTEM. THE SOUTH WINDS WILL CONTINUE TO SUPPLY FAR SOUTHWEST KANSAS WITH VERY DRY AIR RESULTING IN EXTREMELY LOW RELATIVE HUMIDITY BY AFTERNOON HOURS. KSZ061-074-075-084>086-182030- /O.UPG.KDDC.FW.A.0017.110418T1800Z-110419T0100Z/ /O.NEW.KDDC.FW.W.0020.110418T1800Z-110419T0100Z/ HAMILTON-STANTON-GRANT-MORTON-STEVENS-SEWARD- 328 AM CDT MON APR 18 2011 /228 AM MDT MON APR 18 2011/ ...RED FLAG WARNING IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 061...074...075...084... 085 AND 086... THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM CDT /NOON MDT/ THIS AFTERNOON TO 8 PM CDT /7 PM MDT/ THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * WINDS...FREQUENT WIND GUSTS BETWEEN 25 AND 30 MPH CAN BE EXPECTED FROM THE SOUTH TO SOUTHWEST. * HUMIDITY...AFTERNOON RELATIVE HUMIDITY VALUES WILL BE BETWEEN 10 AND 15 PERCENT. * IMPACTS...THESE CONDITIONS WILL FAVOR RAPID FIRE GROWTH. ANY FIRE WHICH MAY GET STARTED WILL EASILY SPREAD AND QUICKLY BECOME HARD TO CONTROL. && 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. && $$ HTTP://WEATHER.GOV/DDC
2 follow-up statements
501 WWUS83 KDDC 181608 RFWDDC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DODGE CITY KS 1108 AM CDT MON APR 18 2011 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED LATE THIS AFTERNOON FOR A SMALL PART OF SOUTHWEST KANSAS... CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO DEVELOP BY LATE AFTERNOON INTO THE EARLY EVENING AS A WARM FRONT MOVES BACK INTO THE AREA AHEAD OF DEVELOPING LOW PRESSURE. WINDS WILL SHIFT TO THE SOUTH AND INCREASE AS RELATIVE HUMIDITIES FALL. KSZ061-074-075-085-086-181715- /O.CAN.KDDC.FW.W.0020.110418T1800Z-110419T0100Z/ HAMILTON-STANTON-GRANT-STEVENS-SEWARD- 1108 AM CDT MON APR 18 2011 /1008 AM MDT MON APR 18 2011/ ...RED FLAG WARNING IS CANCELLED FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 061...074...075...085 AND 086... THE NATIONAL WEATHER SERVICE IN DODGE CITY HAS CANCELLED THE RED FLAG WARNING. RED FLAG CONDITIONS ARE NO LONGER EXPECTED. $$ KSZ084-190100- /O.CON.KDDC.FW.W.0020.110418T1800Z-110419T0100Z/ MORTON- 1108 AM CDT MON APR 18 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 084... * WINDS...FREQUENT SOUTHERLY WIND GUSTS BETWEEN 25 AND 30 MPH CAN BE EXPECTED AFTER 5 PM. * HUMIDITY...AFTERNOON RELATIVE HUMIDITY VALUES WILL BE BETWEEN 8 AND 15 PERCENT. * IMPACTS...THESE CONDITIONS WILL FAVOR RAPID FIRE GROWTH. ANY FIRE WHICH MAY GET STARTED WILL EASILY SPREAD AND QUICKLY BECOME HARD TO CONTROL. 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. && $$ 06 HTTP://WEATHER.GOV/DDC
540 WWUS83 KDDC 190102 RFWDDC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DODGE CITY KS 802 PM CDT MON APR 18 2011 ...RED FLAG CONDITIONS ARE NO LONGER BEING MET... .FALLING TEMPERATURES AND INCREASING RELATIVE HUMIDITY WILL PERSIST THROUGH THE EVENING. KSZ084-190215- /O.EXP.KDDC.FW.W.0020.000000T0000Z-110419T0100Z/ MORTON- 802 PM CDT MON APR 18 2011 ...RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 084... THE RED FLAG WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING. WIND AND RELATIVE HUMIDITY THRESHOLDS FOR RED FLAG CONDITIONS ARE NO LONGER BEING MET ACROSS THE AREA. $$ 33 HTTP://WEATHER.GOV/DDC
Nearby
Red Flag Warnings in Kansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.