Alert archive / Oklahoma / Red Flag Warnings in 2012
Red Flag Warning 9, NWS Tulsa, OK
NWS Tulsa, OK issued this red flag warning at Aug 4, 2012, 1:09 AM CDT for 17 counties in Oklahoma. It took effect at Aug 4, 2012, 10:00 AM CDT. It was in force for 13 hr. 8 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 4, 2012, 1:09 AM CDT (06:09 UTC)
- In effect from
- Aug 4, 2012, 10:00 AM CDT
- Expired
- Aug 4, 2012, 11:00 PM CDT
- In force
- 13 hr
- Issued by
- NWS Tulsa, OK
Counties Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 9 km from the middle of the area, began a volume at 06:06 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 4, 5:38 PM CDT | TSTM WND DMG | 12 Ese Lenapah, OK | FENCE BLOWN DOWN. ROUND HAY BALES APPARENTLY THROWN FROM ONE FIELD TO ANOTHER. |
| Aug 4, 5:47 PM CDT | TSTM WND DMG | Peoria, OK | TREE BLOWN DOWN ONTO A HOUSE. |
| Aug 4, 6:04 PM CDT | TSTM WND DMG | 10 E Lenapah, OK | ROOF AND BARN DAMAGE NEAR HIGHWAY 10. POWER POLES BROKEN. |
| Aug 4, 6:15 PM CDT | TSTM WND DMG | 8 W Hollow, OK | TREE DAMAGE. LARGE LIMBS BROKEN. |
| Aug 4, 7:00 PM CDT | TSTM WND DMG | 4 N Grove, OK | LARGE BRANCHES AND POWER LINES DOWN. |
| Aug 4, 8:43 PM CDT | TSTM WND GST 71 | Tulsa, OK | |
| Aug 4, 9:00 PM CDT | TSTM WND DMG | Fairland, OK | LARGE TREE LIMBS BLOWN BROKEN |
| Aug 4, 9:00 PM CDT | HAIL 0.88 | Fairland, OK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lamont, OK (KLMN), launched 00:00Z, 6.2 hours before the alert went out and 178 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
- 535 J/kg
- Mixed-layer CIN
- -197 J/kg
- Mixed-layer LCL
- 3369 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 302 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
348 WWUS84 KTSA 040609 RFWTSA FIRE WEATHER PRODUCT NATIONAL WEATHER SERVICE TULSA OK 109 AM CDT SAT AUG 4 2012 ...CRITICAL FIRE WEATHER CONDITIONS OVER MUCH OF NORTHEAST OKLAHOMA TODAY... .SOUTHWEST WINDS WILL INCREASE OVER NORTHEAST OKLAHOMA TODAY AHEAD OF AN APPROACHING FRONTAL BOUNDARY FROM KANSAS. SUSTAINED WINDS MAY APPROACH 20 MPH AT TIMES...ESPECIALLY FROM MID MORNING THROUGH MID AFTERNOON. GUSTS WILL PROBABLY REACH 25 TO POSSIBLY 30 MPH. VERY HOT TEMPERATURES AND VERY LOW RELATIVE HUMIDITIES ARE FORECAST ALONG WITH THESE WINDS...YIELDING CRITICAL FIRE WEATHER CONDITIONS. OKZ054>062-064>067-070-071-041800- /O.UPG.KTSA.FW.A.0005.120804T1500Z-120805T0000Z/ /O.NEW.KTSA.FW.W.0009.120804T1500Z-120805T0000Z/ OSAGE-WASHINGTON OK-NOWATA-CRAIG-OTTAWA-PAWNEE-TULSA-ROGERS-MAYES- CREEK-OKFUSKEE-OKMULGEE-WAGONER-MUSKOGEE-MCINTOSH- 109 AM CDT SAT AUG 4 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...WASHINGTON...WAGONER...OTTAWA...ROGERS... PAWNEE...OSAGE...CRAIG...NOWATA...CREEK...OKFUSKEE... MCINTOSH...MUSKOGEE...TULSA...OKMULGEE AND MAYES. * THIS WARNING REPLACES THE RED FLAG WATCH THAT WAS IN EFFECT HAZARDOUS WEATHER... * CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP ACROSS MUCH OF NORTHEAST OKLAHOMA BY MID MORNING AND CONTINUE THROUGH THE AFTERNOON HOURS. * LOW RELATIVE HUMIDITIES OF 15 TO 20 PERCENT. * SOUTH TO SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH. IMPACTS... * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER LIVES AND PROPERTY. DEFINITION... * A RED FLAG WARNING MEANS THAT A DANGEROUS COMBINATION OF WEATHER CONDITIONS AND DRY VEGETATION IS EXPECTED WITHIN 24 HOURS...FAVORING RAPID GROWTH AND SPREAD OF ANY WILDFIRES. THE PRIMARY WEATHER FACTORS INCLUDE STRONGER WINDS...LOWER HUMIDITIES...AND WARMER TEMPERATURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * DISPOSE OF CIGARETTES PROPERLY AND AVOID ACTIVITIES THAT COULD START FIRES. A BURN BAN IS IN EFFECT FOR ALL OF OKLAHOMA. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$ OKZ063-068-041800- /O.NEW.KTSA.FW.W.0009.120804T1500Z-120805T0000Z/ DELAWARE-CHEROKEE- 109 AM CDT SAT AUG 4 2012 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...CHEROKEE AND DELAWARE. HAZARDOUS WEATHER... * CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP ACROSS MUCH OF NORTHEAST OKLAHOMA BY MID MORNING AND CONTINUE THROUGH THE AFTERNOON HOURS. * LOW RELATIVE HUMIDITIES OF 15 TO 25 PERCENT. * SOUTH TO SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO NEAR 30 MPH. IMPACTS... * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER LIVES AND PROPERTY. DEFINITION... * A RED FLAG WARNING MEANS THAT A DANGEROUS COMBINATION OF WEATHER CONDITIONS AND DRY VEGETATION IS EXPECTED WITHIN 24 HOURS...FAVORING RAPID GROWTH AND SPREAD OF ANY WILDFIRES. THE PRIMARY WEATHER FACTORS INCLUDE STRONGER WINDS...LOWER HUMIDITIES...AND WARMER TEMPERATURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * DISPOSE OF CIGARETTES PROPERLY AND AVOID ACTIVITIES THAT COULD START FIRES. A BURN BAN IS IN EFFECT FOR ALL OF OKLAHOMA. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$
2 follow-up statements
883 WWUS84 KTSA 041815 RFWTSA FIRE WEATHER PRODUCT NATIONAL WEATHER SERVICE TULSA OK 115 PM CDT SAT AUG 4 2012 ...NEAR CRITICAL FIRE WEATHER CONDITIONS OVER MUCH OF NORTHEAST OKLAHOMA TODAY... .SOUTHWEST WINDS WILL INCREASE OVER NORTHEAST OKLAHOMA TODAY AHEAD OF AN APPROACHING FRONTAL BOUNDARY FROM KANSAS. SUSTAINED WINDS MAY APPROACH 20 MPH AT TIMES...ESPECIALLY THROUGH MID AFTERNOON. GUSTS UP TO 25 MPH ARE POSSIBLE. VERY HOT TEMPERATURES AND VERY LOW RELATIVE HUMIDITIES ARE FORECAST ALONG WITH THESE WINDS...YIELDING NEAR CRITICAL FIRE WEATHER CONDITIONS. OKZ074-050000- /O.EXA.KTSA.FW.W.0009.000000T0000Z-120805T0000Z/ HASKELL- 115 PM CDT SAT AUG 4 2012 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM CDT THIS EVENING... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...HASKELL. HAZARDOUS WEATHER... * NEAR CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP ACROSS MUCH OF NORTHEAST AND EAST CENTRAL OKLAHOMA BY MID AFTERNOON. * LOW RELATIVE HUMIDITIES NEAR 25 PERCENT. * SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS NEAR 25 MPH. IMPACTS... * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER LIVES AND PROPERTY. DEFINITION... * A RED FLAG WARNING MEANS THAT A DANGEROUS COMBINATION OF WEATHER CONDITIONS AND DRY VEGETATION IS EXPECTED WITHIN 24 HOURS...FAVORING RAPID GROWTH AND SPREAD OF ANY WILDFIRES. THE PRIMARY WEATHER FACTORS INCLUDE STRONGER WINDS...LOWER HUMIDITIES...AND WARMER TEMPERATURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... * DISPOSE OF CIGARETTES PROPERLY AND AVOID ACTIVITIES THAT COULD START FIRES. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$ OKZ054>068-070-071-050000- /O.CON.KTSA.FW.W.0009.000000T0000Z-120805T0000Z/ OSAGE-WASHINGTON OK-NOWATA-CRAIG-OTTAWA-PAWNEE-TULSA-ROGERS-MAYES- DELAWARE-CREEK-OKFUSKEE-OKMULGEE-WAGONER-CHEROKEE-MUSKOGEE- MCINTOSH- 115 PM CDT SAT AUG 4 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... A RED FLAG WARNING IS IN EFFECT... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...WASHINGTON...WAGONER...OTTAWA...ROGERS... PAWNEE...DELAWARE...CHEROKEE...OSAGE...CRAIG...NOWATA... CREEK...OKFUSKEE...MCINTOSH...MUSKOGEE...TULSA...OKMULGEE AND MAYES. HAZARDOUS WEATHER... * NEAR CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP ACROSS MUCH OF NORTHEAST AND EAST CENTRAL OKLAHOMA BY MID AFTERNOON. * LOW RELATIVE HUMIDITIES 15 TO 20 PERCENT. * SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS NEAR 25 MPH. IMPACTS... * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER LIVES AND PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * DISPOSE OF CIGARETTES PROPERLY AND AVOID ACTIVITIES THAT COULD START FIRES. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$
563 WWUS84 KTSA 042025 RFWTSA FIRE WEATHER PRODUCT NATIONAL WEATHER SERVICE TULSA OK 325 PM CDT SAT AUG 4 2012 ...CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE OVER MUCH OF NORTHEAST OKLAHOMA THIS AFTERNOON AND EVENING... .WEST TO SOUTHWEST WINDS BETWEEN 15 AND 20 MPH WITH GUSTS APPROACHING 30 MPH REMAIN POSSIBLE INTO THE EVENING. VERY HOT TEMPERATURES AND VERY LOW RELATIVE HUMIDITIES WILL CONTINUE YIELDING CRITICAL FIRE WEATHER CONDITIONS. A COLD FRONT WILL ENTER THE AREA THIS EVENING. AS THE FRONT APPROACHES...WINDS OUT AHEAD OF THE BOUNDARY WILL CONTINUE TO VEER...AND SPEEDS WILL BEGIN RELAX. LOW THUNDERSTORM CHANCES WILL ALSO ACCOMPANY FRONTAL PASSAGE OVERNIGHT. OKZ054>068-070-071-074-050400- /O.EXT.KTSA.FW.W.0009.000000T0000Z-120805T0400Z/ OSAGE-WASHINGTON OK-NOWATA-CRAIG-OTTAWA-PAWNEE-TULSA-ROGERS-MAYES- DELAWARE-CREEK-OKFUSKEE-OKMULGEE-WAGONER-CHEROKEE-MUSKOGEE- MCINTOSH-HASKELL- 325 PM CDT SAT AUG 4 2012 ...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM CDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN TULSA HAS ADJUSTED THE TIMING OF THE RED FLAG WARNING AND IT IS NOW IN EFFECT UNTIL 11 PM CDT THIS EVENING... FOR THE FOLLOWING COUNTIES... * IN OKLAHOMA...WASHINGTON...WAGONER...OTTAWA...ROGERS... PAWNEE...DELAWARE...CHEROKEE...OSAGE...CRAIG...NOWATA... CREEK...OKFUSKEE...MCINTOSH...MUSKOGEE...TULSA...OKMULGEE... MAYES AND HASKELL. HAZARDOUS WEATHER... * CRITICAL FIRE WEATHER CONDITIONS WILL REMAIN ONGOING ACROSS MUCH OF NORTHEAST OKLAHOMA THROUGH THE EVENING HOURS. * LOW RELATIVE HUMIDITIES OF 15 TO 25 PERCENT....BUT WILL BEGIN TO INCREASE AFTER DARK. * WEST TO SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO NEAR 30 MPH. IMPACTS... * ANY FIRES WILL QUICKLY SPREAD OUT OF CONTROL AND ENDANGER LIVES AND PROPERTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... * DISPOSE OF CIGARETTES PROPERLY AND AVOID ALL ACTIVITIES THAT COULD START FIRES. * STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO OR TELEVISION FOR THE LATEST INFORMATION CONCERNING THIS WEATHER EVENT. ADDITIONAL WEATHER INFORMATION CAN ALSO BE FOUND AT: WEATHER.GOV/TULSA. && $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 5:20 PM CDT | Special Weather Statement | TSA | Craig | 25 min |
| Aug 4, 5:29 PM CDT | Special Weather Statement | TSA | Nowata | 31 min |
| Aug 4, 5:37 PM CDT | Special Weather Statement | TSA | Ottawa | 23 min |
| Aug 4, 5:46 PM CDT | Severe Thunderstorm Warning | TSA | Ottawa | 28 min |
| Aug 4, 5:55 PM CDT | Special Weather Statement | TSA | Craig | 35 min |
| Aug 4, 6:06 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 26 min |
| Aug 4, 6:26 PM CDT | Special Weather Statement | TSA | Nowata | 34 min |
| Aug 4, 6:29 PM CDT | Special Weather Statement | TSA | Craig | 31 min |
Nearby
Red Flag Warnings in Oklahoma, 2012Every red flag warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.