Alert archive / Georgia / Red Flag Warnings in 2007
Red Flag Warning 7, NWS Charleston, SC
NWS Charleston, SC issued this red flag warning at Apr 16, 2007, 5:09 AM EDT for 8 counties in Georgia; 4 counties in South Carolina. It took effect at Apr 16, 2007, 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 16, 2007, 5:09 AM EDT (09:09 UTC)
- In effect from
- Apr 16, 2007, 12:00 PM EDT
- Expired
- Apr 16, 2007, 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, Colleton County, SC, Dorchester County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 45 km from the middle of the area, began a volume at 09:07 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, 9.2 hours before the alert went out and 146 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
- 18 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1128 m above ground
- 0-6 km bulk shear
- 82 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS82 KCHS 160909 RFWCHS RED FLAG WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 509 AM EDT MON APR 16 2007 SCZ045-050-161015- /O.CAN.KCHS.FW.A.0005.070416T1600Z-070417T0000Z/ BERKELEY-CHARLESTON- 509 AM EDT MON APR 16 2007 ...FIRE WEATHER WATCH IS CANCELLED... ...CRITICAL HUMIDITY AND CRITICAL WINDS DEVELOPING TODAY... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS CANCELED THE FIRE WEATHER WATCH. HOWEVER...STRONG WINDS AND LOW HUMIDITY WILL DEVELOP TODAY AND CONTINUE INTO THIS EVENING. THESE CONDITIONS COULD LEAD TO AN INCREASED FIRE DANGER. CONTACT WILL BE MADE WITH VARIOUS FIRE WEATHER PARTNERS AND CUSTOMERS LATER THIS MORNING TO SEE IF A RED FLAG WARNING IS NECESSARY. CRITICAL HUMIDITY BUT WITH MUCH LESS WIND WILL OCCUR TUESDAY AFTERNOON. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THE CRITICAL HUMIDITY AND STRONG WINDS THIS AFTERNOON AND EVENING. $$ GAZ087-088-099>101-114>119-137>141-SCZ040-042>044-047>049-051- 161700- /O.UPG.KCHS.FW.A.0005.070416T1600Z-070417T0000Z/ /O.NEW.KCHS.FW.W.0007.070416T1600Z-070417T0000Z/ JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS- INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG- INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH- ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND JASPER- BEAUFORT-COASTAL COLLETON-COASTAL JASPER- 509 AM EDT MON APR 16 2007 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING FOR LOW HUMIDITY AND STRONG WINDS ACROSS SOUTHEAST GEORGIA AND MOST OF SOUTHEAST SOUTH CAROLINA... THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. STRONG AND GUSTY WEST TO NORTHWEST WINDS WILL DEVELOP AGAIN TODAY IN THE WAKE OF DEPARTING LOW PRESSURE OVER THE NW ATLANTIC. EXPECT RELATIVE HUMIDITY VALUES TO DROP INTO THE 15 TO 20 PERCENT RANGE THIS AFTERNOON ACROSS THE AREA...WHILE WINDS WILL REACH AS HIGH AS 25 TO 35 MPH...WITH OCCASIONAL HIGHER GUSTS. THESE CONDITIONS...ALONG WITH RELATIVELY LOW FUEL MOISTURE WILL RESULT IN AN ENHANCED FIRE DANGER TODAY. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. $$
3 follow-up statements
000 WWUS82 KCHS 161537 RFWCHS RED FLAG WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 1137 AM EDT MON APR 16 2007 GAZ087-088-099>101-114>119-137>141-SCZ040-042>044-047>049-051- 170000- /O.CON.KCHS.FW.W.0007.070416T1600Z-070417T0000Z/ 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 JASPER- BEAUFORT-COASTAL COLLETON-COASTAL JASPER- 1137 AM EDT MON APR 16 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR LOW HUMIDITIES AND STRONG WINDS ACROSS SOUTHEAST GEORGIA AND MOST OF SOUTHEAST SOUTH CAROLINA... STRONG AND GUSTY WEST TO NORTHWEST WINDS ARE EXPECTED TODAY IN THE WAKE OF DEPARTING LOW PRESSURE SYSTEM NOW OVER THE NEW ENGLAND STATES. EXPECT RELATIVE HUMIDITY VALUES TO DROP INTO THE 15 TO 20 PERCENT RANGE THIS AFTERNOON ACROSS THE AREA...WHILE WINDS WILL REACH AS HIGH AS 25 TO 35 MPH...WITH OCCASIONAL HIGHER GUSTS. THESE CONDITIONS...ALONG WITH RELATIVELY LOW FUEL MOISTURE WILL RESULT IN AN ENHANCED FIRE DANGER TODAY. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. $$ RJB
000 WWUS82 KCHS 161954 RFWCHS RED FLAG WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 354 PM EDT MON APR 16 2007 GAZ087-088-099>101-114>119-137>141-SCZ040-042>044-047>049-051- 170000- /O.CON.KCHS.FW.W.0007.000000T0000Z-070417T0000Z/ JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS- INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG- INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH- ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-INLAND JASPER- BEAUFORT-COASTAL COLLETON-COASTAL JASPER- 354 PM EDT MON APR 16 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR LOW HUMIDITIES AND STRONG WINDS ACROSS SOUTHEAST GEORGIA AND MOST OF SOUTHEAST SOUTH CAROLINA... STRONG AND GUSTY WEST TO NORTHWEST WINDS WILL CONTINUE THROUGH THE REST OF THE AFTERNOON AND EARLY EVENING HOURS IN THE WAKE OF A DEPARTING LOW PRESSURE SYSTEM NOW OVER THE NEW ENGLAND STATES. RELATIVE HUMIDITY VALUES WILL REMAIN AROUND 20 PERCENT THROUGH THE REST OF THE AFTERNOON AND EARLY EVENING ACROSS THE AREA... WHILE WINDS WILL PERSIST AT 20 TO 30 MPH...WITH OCCASIONAL HIGHER GUSTS. THESE CONDITIONS...ALONG WITH RELATIVELY LOW FUEL MOISTURE WILL RESULT IN AN ENHANCED FIRE DANGER THIS AFTERNOON AND EVENING. AFTER SUNSET...WIND SPEEDS ARE EXPECTED TO SUBSIDE TO BELOW 25 MPH AND RH VALUES WILL RISE ABOVE 25 PERCENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. $$
000 WWUS82 KCHS 162345 RFWCHS RED FLAG WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 745 PM EDT MON APR 16 2007 GAZ087-088-099>101-114>119-137>141-SCZ040-042>044-047>049-051- 170045- /O.EXP.KCHS.FW.W.0007.000000T0000Z-070417T0000Z/ 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 JASPER- BEAUFORT-COASTAL COLLETON-COASTAL JASPER- 745 PM EDT MON APR 16 2007 ...RED FLAG WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING... RECENT OBSERVATIONS INDICATE THAT RELATIVE HUMIDITY VALUES WILL RECOVER ABOVE 25 PERCENT ACROSS THE AREA BY 8 PM. AS A RESULT...THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. ALTHOUGH THE RED FLAG WARNING WILL NO LONGER BE IN EFFECT AFTER 8 PM... WESTERLY WINDS OF 15 TO 20 MPH WITH WITH GUSTS UP TO 30 MPH ARE STILL POSSIBLE DURING THE EVENING HOURS. $$ JAQ
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 5:02 AM EDT | Wind Advisory | CHS | Bulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more | 15 hr |
| Apr 15, 11:56 PM EDT | Lake Wind Advisory | CHS | Berkeley | 10 hr |
Nearby
Red Flag Warnings in Georgia, 2007Red Flag Warnings in South Carolina, 2007Every red flag warning in 2007
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.