Alert archive / Georgia / Red Flag Warnings in 2021
Red Flag Warning 1, NWS Charleston, SC
NWS Charleston, SC issued this red flag warning at Apr 21, 2021, 1:44 AM EDT for 5 counties in South Carolina; 8 counties in Georgia. It took effect at Apr 21, 2021, 12:00 PM EDT. 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
- Apr 21, 2021, 1:44 AM EDT (05:44 UTC)
- In effect from
- Apr 21, 2021, 12:00 PM EDT
- Expired
- Apr 21, 2021, 8:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Charleston, SC
Counties Bulloch County, GA, Candler County, GA, Effingham County, GA, Evans County, GA, Jenkins County, GA, Long County, GA, Screven County, GA, Tattnall County, GA, Allendale County, SC, Berkeley County, SC, Colleton County, SC, Dorchester County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 33 km from the middle of the area, began a volume at 05:47 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
Charleston AFB, SC (KCHS), launched 00:00Z, 5.7 hours before the alert went out and 134 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
- 13 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1413 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 215 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
927 WWUS82 KCHS 210544 RFWCHS URGENT - FIRE WEATHER MESSAGE National Weather Service Charleston SC 144 AM EDT Wed Apr 21 2021 GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-211345- /O.UPG.KCHS.FW.A.0001.210421T1800Z-210422T0000Z/ /O.NEW.KCHS.FW.W.0001.210421T1600Z-210422T0000Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Coastal Bryan-Inland Chatham-Coastal Chatham-Long- Inland Liberty-Coastal Liberty-Inland McIntosh-Coastal McIntosh- Allendale-Hampton-Inland Colleton-Dorchester-Inland Berkeley- Inland Jasper-Beaufort-Coastal Colleton-Charleston-Coastal Jasper- Tidal Berkeley- 144 AM EDT Wed Apr 21 2021 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR GUSTY WINDS, CRITICALLY DRY FUELS AND LOW RELATIVE HUMIDITY FOR SOUTHEAST SOUTH CAROLINA AND MUCH OF SOUTHEAST GEORGIA... The National Weather Service in Charleston has issued a Red Flag Warning for gusty winds, critically dry fuels and low relative humidity, which is in effect from noon today to 8 PM EDT this evening. The Fire Weather Watch is no longer in effect. * TIMING...Wednesday afternoon and early evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 23 percent. * TEMPERATURES...upper 70s to lower 80s. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Fire officials should advise their crews in the field. The public should postpone outdoor burning during this period. && $$
4 follow-up statements
770 WWUS82 KCHS 211005 RFWCHS URGENT - FIRE WEATHER MESSAGE National Weather Service Charleston SC 605 AM EDT Wed Apr 21 2021 GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-211815- /O.CON.KCHS.FW.W.0001.210421T1600Z-210422T0000Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Coastal Bryan-Inland Chatham-Coastal Chatham-Long- Inland Liberty-Coastal Liberty-Inland McIntosh-Coastal McIntosh- Allendale-Hampton-Inland Colleton-Dorchester-Inland Berkeley- Inland Jasper-Beaufort-Coastal Colleton-Charleston-Coastal Jasper- Tidal Berkeley- 605 AM EDT Wed Apr 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR GUSTY WINDS, CRITICALLY DRY FUELS AND LOW RELATIVE HUMIDITY FOR SOUTHEAST SOUTH CAROLINA AND MUCH OF SOUTHEAST GEORGIA... * TIMING...Wednesday afternoon and early evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 23 percent. * TEMPERATURES...Upper 70s to lower 80s. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Fire officials should advise their crews in the field. The public should postpone outdoor burning during this period. && $$
383 WWUS82 KCHS 211448 RFWCHS URGENT - FIRE WEATHER MESSAGE National Weather Service Charleston SC 1048 AM EDT Wed Apr 21 2021 GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-220000- /O.CON.KCHS.FW.W.0001.210421T1600Z-210422T0000Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Coastal Bryan-Inland Chatham-Coastal Chatham-Long- Inland Liberty-Coastal Liberty-Inland McIntosh-Coastal McIntosh- Allendale-Hampton-Inland Colleton-Dorchester-Inland Berkeley- Inland Jasper-Beaufort-Coastal Colleton-Charleston-Coastal Jasper- Tidal Berkeley- 1048 AM EDT Wed Apr 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR GUSTY WINDS, CRITICALLY DRY FUELS AND LOW RELATIVE HUMIDITY FOR SOUTHEAST SOUTH CAROLINA AND MUCH OF SOUTHEAST GEORGIA... * TIMING...Wednesday afternoon and early evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 22 percent. * TEMPERATURES...Upper 70s to lower 80s. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Fire officials should advise their crews in the field. The public should postpone outdoor burning during this period. && $$
314 WWUS82 KCHS 211923 RFWCHS URGENT - FIRE WEATHER MESSAGE National Weather Service Charleston SC 323 PM EDT Wed Apr 21 2021 GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-220000- /O.CON.KCHS.FW.W.0001.000000T0000Z-210422T0000Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Coastal Bryan-Inland Chatham-Coastal Chatham-Long- Inland Liberty-Coastal Liberty-Inland McIntosh-Coastal McIntosh- Allendale-Hampton-Inland Colleton-Dorchester-Inland Berkeley- Inland Jasper-Beaufort-Coastal Colleton-Charleston-Coastal Jasper- Tidal Berkeley- 323 PM EDT Wed Apr 21 2021 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR GUSTY WINDS, CRITICALLY DRY FUELS AND LOW RELATIVE HUMIDITY FOR SOUTHEAST SOUTH CAROLINA AND MUCH OF SOUTHEAST GEORGIA... * TIMING...Until early this evening. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 22 percent. * TEMPERATURES...Upper 70s to lower 80s. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... Fire officials should advise their crews in the field. The public should postpone outdoor burning during this period. && $$
202 WWUS82 KCHS 212332 RFWCHS URGENT - FIRE WEATHER MESSAGE National Weather Service Charleston SC 732 PM EDT Wed Apr 21 2021 GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>052-220045- /O.EXP.KCHS.FW.W.0001.000000T0000Z-210422T0000Z/ Jenkins-Screven-Candler-Bulloch-Effingham-Tattnall-Evans- Inland Bryan-Coastal Bryan-Inland Chatham-Coastal Chatham-Long- Inland Liberty-Coastal Liberty-Inland McIntosh-Coastal McIntosh- Allendale-Hampton-Inland Colleton-Dorchester-Inland Berkeley- Inland Jasper-Beaufort-Coastal Colleton-Charleston-Coastal Jasper- Tidal Berkeley- 732 PM EDT Wed Apr 21 2021 ...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING... $$
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 2:23 AM EDT | Lake Wind Advisory | CHS | Berkeley | 29 hr |
| Apr 21, 2:38 AM EDT | Small Craft Advisory | CHS | 31 hr |
Nearby
Red Flag Warnings in Georgia, 2021Red Flag Warnings in South Carolina, 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.