Alert archive / Oklahoma / Special Weather Statements in 2016
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Sep 10, 2016, 1:28 AM CDT for 4 counties in Oklahoma. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 10, 2016, 1:28 AM CDT (06:28 UTC)
- Expired
- Sep 10, 2016, 2:00 AM CDT
- In force
- 32 min
- Issued by
- NWS Tulsa, OK
Counties Adair County, OK, Haskell County, OK, Latimer County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 45 km from the middle of the area, began a volume at 06:32 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
Springfield, MO (KSGF), launched 00:00Z, 6.5 hours before the alert went out and 189 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
- 2416 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1026 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 136 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 7.6
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Sep 9, 11:55 PM CDT, 1 hour 33 minutes earlier.
Area forecast discussion, Sep 9, 11:55 PM CDT, 1 hour 33 minutes before
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HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE TULSA OK 748 PM CDT FRI SEP 9 2016 ARZ001-002-010-011-019-020-029-OKZ049-053>076-101045- ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK- CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK- LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK- OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK- PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK- WASHINGTON OK-WASHINGTON AR- 748 PM CDT FRI SEP 9 2016 ...THUNDERSTORM POTENTIAL INCREASES THIS EVENING WITH A COLD FRONT... THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TONIGHT. SEVERE THUNDERSTORM. RISK...LIMITED. AREA...NEAR THE KANSAS BORDER IN NORTHEAST OKLAHOMA. ONSET...MOSTLY LIKELY BETWEEN 9 PM AND MIDNIGHT. FLASH FLOOD. RISK...LIMITED. AREA...FAR NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS. ONSET...MOST LIKELY BETWEEN 10 PM AND 3 AM. HEAVY RAIN. RISK...LIMITED. AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. ONSET...AFTER 9 PM. DANGEROUS HEAT. RISK...LIMITED. AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. ONSET...ONGOING...ENDING BY SUNSET. DISCUSSION... POCKETS OF DAMAGING WIND AND ISOLATED MARGINALLY SEVERE HAIL WILL BE THE MAIN THREATS FROM STORMS THIS EVENING. THE AREA WITH THE GREATEST THREAT FOR SEVERE WEATHER WILL BE NEAR THE KANSAS BORDER ACROSS NORTHEAST OKLAHOMA. THE SEVERE WEATHER THREAT WILL DROP CONSIDERABLY DURING THE OVERNIGHT HOURS AS THE ATMOSPHERE STABILIZES. A BROKEN LINE OF STORMS HAS ORGANIZED ALONG THE COLD FRONT ACROSS KANSAS AND NW OK. THIS LINE OF STORMS WILL MOVE GENERALLY FROM NW TO SE ACROSS THE REGION THIS EVENING AND TONIGHT. WEAK SHEAR AND DECREASING INSTABILITY WITH TIME TONIGHT AND A TENDENCY FOR STORMS TO BE UNDERCUT BY THE ADVANCING FRONT WILL MITIGATE THE OVERALL SEVERE THREAT WITH THE FRONT. THUS...THE GREATEST POTENTIAL FOR SEVERE WEATHER WILL BE ACROSS NORTHEAST OKLAHOMA AND CLOSER TO THE KANSAS BORDER. POCKETS OF LOCALLY HEAVY RAIN ARE EXPECTED...WITH BETWEEN AND INCH AND 2 INCHES POSSIBLE ACROSS NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS. IF THIS HEAVY RAIN FALLS ON AREAS THAT PICKED UP HEAVY RAINS LAST NIGHT...SOME FLASH FLOODING COULD THEN OCCUR. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... LOCAL SPOTTER ACTIVATION MAY BE NEEDED. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. SATURDAY...THUNDERSTORM POTENTIAL. SUNDAY...NO HAZARDS. MONDAY THRU THURSDAY...THUNDERSTORM POTENTIAL. EXTENDED DISCUSSION... POST FRONTAL THUNDERSTORM CHANCES WILL REMAIN POSSIBLE SATURDAY MORNING OVER SOUTHEAST OKLAHOMA AND WESTERN ARKANSAS BEFORE THE FRONT EXITS OFF TO THE SOUTH. HIGH PRESSURE WITH A COOLER AND DRIER AIRMASS IS FORECAST TO FILTER INTO THE REGION BEHIND THE DEPARTING COLD FRONT THROUGH THE WEEKEND. THUNDERSTORM CHANCES RETURN NEXT WEEK AS ANOTHER LOW PRESSURE SYSTEM AND FRONTAL BOUNDARY APPROACH THE REGION. WWW.WEATHER.GOV/TULSA CONTAINS ADDITIONAL INFORMATION. LACY
In the hours before
Special weather statement, Sep 9, 11:56 PM CDT, 1 hour 32 minutes before
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</html>Special weather statement, Sep 10, 1:28 AM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 9:21 PM CDT | Special Weather Statement | TSA | Osage | 54 min |
| Sep 9, 9:30 PM CDT | Special Weather Statement | TSA | Washington | 30 min |
| Sep 9, 9:48 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 57 min |
| Sep 9, 10:29 PM CDT | Special Weather Statement | TSA | Craig, Creek, Nowata, Osage, Ottawa, Washington | 61 min |
| Sep 9, 11:15 PM CDT | Special Weather Statement | TSA | Creek, Okfuskee, Okmulgee, Osage, Rogers, Tulsa and 1 more | 60 min |
| Sep 9, 11:18 PM CDT | Special Weather Statement | TSA | Craig, Nowata, Ottawa, Washington | 57 min |
| Sep 9, 11:33 PM CDT | Severe Thunderstorm Warning | TSA | Craig | 27 min |
| Sep 9, 11:56 PM CDT | Special Weather Statement | TSA | McIntosh, Mayes, Muskogee, Okfuskee, Okmulgee, Rogers and 2 more | 64 min |
| Sep 9, 11:58 PM CDT | Special Weather Statement | TSA | Ottawa | 32 min |
| Sep 10, 12:05 AM CDT | Special Weather Statement | TSA | Craig, Delaware, Ottawa | 55 min |
| Sep 10, 12:12 AM CDT | Severe Thunderstorm Warning | TSA | Mayes, Rogers, Wagoner | 33 min |
| Sep 10, 12:42 AM CDT | Special Weather Statement | TSA | Cherokee, Delaware, Mayes, Wagoner | 33 min |
| Sep 10, 12:45 AM CDT | Special Weather Statement | TSA | McIntosh, Muskogee, Okmulgee | 60 min |
| Sep 10, 2:03 AM CDT | Special Weather Statement | TSA | Sequoyah | 27 min |
| Sep 10, 1:34 AM CDT | Special Weather Statement | TSA | Benton, Washington | 26 min |
Nearby
Special Weather Statements in Oklahoma, 2016Every special weather statement in 2016
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.