Alert archive / South Dakota / Red Flag Warnings in 2021
Red Flag Warning 2, NWS Aberdeen, SD
NWS Aberdeen, SD issued this red flag warning at Mar 5, 2021, 2:45 PM CST for 4 counties in South Dakota. It took effect at Mar 6, 2021, 12:00 PM CST. It was in force for 8 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
- Mar 5, 2021, 2:45 PM CST (20:45 UTC)
- In effect from
- Mar 6, 2021, 12:00 PM CST
- Expired
- Mar 6, 2021, 8:00 PM CST
- In force
- 8 hr
- Issued by
- NWS Aberdeen, SD
Counties Hughes County, SD, Jones County, SD, Lyman County, SD, Stanley County, SD
The radar
The Rapid City radar (KUDX), 201 km from the middle of the area, began a volume at 20:46 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
Aberdeen, SD (KABR), launched 12:00Z, 8.8 hours before the alert went out and 173 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
- 757 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
465 WWUS83 KABR 052045 RFWABR URGENT - FIRE WEATHER MESSAGE National Weather Service Aberdeen SD 245 PM CST Fri Mar 5 2021 SDZ033-035-045-048-061000- /O.NEW.KABR.FW.W.0002.210306T1800Z-210307T0200Z/ Stanley-Hughes-Jones-Lyman- 245 PM CST Fri Mar 5 2021 /145 PM MST Fri Mar 5 2021/ ...RED FLAG WARNING IN EFFECT FROM NOON CST /11 AM MST/ TO 8 PM CST /7 PM MST/ SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA... The National Weather Service in Aberdeen has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon CST /11 AM MST/ to 8 PM CST /7 PM MST/ Saturday. * AFFECTED AREA...In South Dakota, Stanley, Hughes, Jones and Lyman. * WINDS...Southeast 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...20 to 30 percent. * IMPACTS...Fire weather conditions Saturday afternoon will support the rapid spread of any fires that develop. Outdoor burning is not recommended. 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 can contribute to extreme fire behavior. && $$ Parkin
4 follow-up statements
069 WWUS83 KABR 060245 RFWABR URGENT - FIRE WEATHER MESSAGE National Weather Service Aberdeen SD 845 PM CST Fri Mar 5 2021 SDZ033-035-045-048-061045- /O.CON.KABR.FW.W.0002.210306T1800Z-210307T0200Z/ Stanley-Hughes-Jones-Lyman- 845 PM CST Fri Mar 5 2021 /745 PM MST Fri Mar 5 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CST /11 AM MST/ TO 8 PM CST /7 PM MST/ SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA... * AFFECTED AREA...In South Dakota, Stanley, Hughes, Jones and Lyman. * WINDS...Southeast 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...20 to 30 percent. * IMPACTS...Fire weather conditions Saturday afternoon will support the rapid spread of any fires that develop. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ Dorn
579 WWUS83 KABR 061012 RFWABR URGENT - FIRE WEATHER MESSAGE National Weather Service Aberdeen SD 412 AM CST Sat Mar 6 2021 SDZ033-035-045-048-061915- /O.CON.KABR.FW.W.0002.210306T1800Z-210307T0200Z/ Stanley-Hughes-Jones-Lyman- 412 AM CST Sat Mar 6 2021 /312 AM MST Sat Mar 6 2021/ ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CST /11 AM MST/ TODAY TO 8 PM CST /7 PM MST/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA... * AFFECTED AREA...In South Dakota, Stanley, Hughes, Jones and Lyman. * WINDS...Southeast 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...20 to 30 percent. * IMPACTS...Fire weather conditions Saturday afternoon will support the rapid spread of any fires that develop. Outdoor burning is not recommended. 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 can contribute to extreme fire behavior. && $$ LUECK
717 WWUS83 KABR 061832 RFWABR URGENT - FIRE WEATHER MESSAGE National Weather Service Aberdeen SD 1232 PM CST Sat Mar 6 2021 SDZ033-035-045-048-070200- /O.CON.KABR.FW.W.0002.000000T0000Z-210307T0200Z/ Stanley-Hughes-Jones-Lyman- 1232 PM CST Sat Mar 6 2021 /1132 AM MST Sat Mar 6 2021/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM CST /7 PM MST/ THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA... * AFFECTED AREA...In South Dakota, Stanley, Hughes, Jones and Lyman. * WINDS...Southeast 15 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 to 20 percent. * IMPACTS...Fire weather conditions Saturday afternoon will support the rapid spread of any fires that develop. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
856 WWUS83 KABR 070201 RFWABR URGENT - FIRE WEATHER MESSAGE National Weather Service Aberdeen SD 801 PM CST Sat Mar 6 2021 SDZ033-035-045-048-070315- /O.EXP.KABR.FW.W.0002.000000T0000Z-210307T0200Z/ Stanley-Hughes-Jones-Lyman- 801 PM CST Sat Mar 6 2021 /701 PM MST Sat Mar 6 2021/ ...RED FLAG WARNING HAS EXPIRED FOR WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF SOUTH CENTRAL SOUTH DAKOTA... Conditions have improved across the region, therefore the Red Flag Warning has been allowed to expire. $$ Parkin
The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 2:30 AM CST | Dense Fog Advisory | ABR | Brown, Buffalo, Campbell, Edmunds, Faulk, Hand and 9 more | 10 hr |
Nearby
Red Flag Warnings in South Dakota, 2021Every red flag warning in 2021
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.