Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 145, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Jul 8, 2012, 8:31 PM CDT for Ottawa County, Oklahoma. It was in force for 28 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 8, 2012, 8:31 PM CDT (01:31 UTC)
- Expired
- Jul 8, 2012, 8:59 PM CDT
- In force
- 28 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Ottawa County, OK
The radar
The Tulsa radar (KINX), 95 km from the middle of the area, began a volume at 01:34 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 |
|---|---|---|---|
| Jul 8, 8:34 PM CDT | TSTM WND DMG | Miami, OK | DOWNED TREE LIMBS AND SPORADIC POWER OUTAGES IN TOWN. ESTIMATED 60 TO 70 MPH WINDS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.5 hours before the alert went out and 90 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
- 156 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 2059 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
544 WUUS54 KTSA 090131 SVRTSA OKC115-090215- /O.NEW.KTSA.SV.W.0145.120709T0131Z-120709T0215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 831 PM CDT SUN JUL 8 2012 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... OTTAWA COUNTY IN NORTHEAST OKLAHOMA * UNTIL 915 PM CDT * AT 830 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 3 MILES EAST OF MIAMI...MOVING SOUTH AT 10 MPH. STORM HAZARDS INCLUDE... DAMAGING WIND GUSTS TO 70 MPH... * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... WYANDOTTE...NARCISSA...FAIRLAND AND AFTON. THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 295 AND 314. A WIND GUST OF 71 MPH WAS REPORTED BY THE MESONET STATION AT MIAMI. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 3667 9469 3667 9500 3693 9490 3692 9472 TIME...MOT...LOC 0131Z 004DEG 10KT 3686 9482 $$
2 follow-up statements
780
WWUS54 KTSA 090145
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
845 PM CDT SUN JUL 8 2012
OKC115-090215-
/O.CON.KTSA.SV.W.0145.000000T0000Z-120709T0215Z/
OTTAWA OK-
845 PM CDT SUN JUL 8 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHWESTERN OTTAWA COUNTY...
AT 838 PM CDT...A POTENTIALLY SEVERE THUNDERSTORM WAS LOCATED NEAR
FAIRLAND...MOVING SOUTH AT 10 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...FAIRLAND
AND AFTON.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 295 AND 307.
THIS STORM PRODUCED A 71 MPH WIND GUST AT THE MESONET STATION 2
MILES NORTHEAST OF MIAMI AT 825 PM. HOWEVER...THE STORM IS WEAKENING
QUICKLY WITH THE LOSS OF DAYTIME HEATING. IF THIS TREND
CONTINUES...THE WARNING MAY BE CANCELLED EARLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3685 9475 3667 9469 3667 9498 3668 9500
3686 9490
TIME...MOT...LOC 0143Z 011DEG 10KT 3677 9484
$$683
WWUS54 KTSA 090159
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
859 PM CDT SUN JUL 8 2012
OKC115-090209-
/O.CAN.KTSA.SV.W.0145.000000T0000Z-120709T0215Z/
OTTAWA OK-
859 PM CDT SUN JUL 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN OTTAWA COUNTY IS
CANCELLED...
THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
GUSTY WINDS AND VERY HEAVY RAIN WILL STILL BE POSSIBLE WITH THIS
STORM.
LAT...LON 3685 9475 3667 9469 3667 9498 3668 9500
3686 9490
TIME...MOT...LOC 0159Z 011DEG 10KT 3669 9486
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 7:05 PM CDT | Special Weather Statement | TSA | Wagoner | 25 min |
| Jul 8, 7:29 PM CDT | Special Weather Statement | TSA | Choctaw | 31 min |
| Jul 8, 7:45 PM CDT | Special Weather Statement | TSA | Delaware | 30 min |
| Jul 8, 8:04 PM CDT | Special Weather Statement | TSA | Ottawa | 26 min |
| Jul 8, 8:08 PM CDT | Special Weather Statement | TSA | Delaware | 37 min |
| Jul 8, 9:00 PM CDT | Special Weather Statement | TSA | Ottawa | 30 min |
| Jul 9, 2:22 PM CDT | Special Weather Statement | TSA | Okfuskee | 23 min |
| Jul 9, 3:43 PM CDT | Special Weather Statement | TSA | Adair | 32 min |
| Jul 9, 4:44 PM CDT | Special Weather Statement | TSA | Pushmataha | 46 min |
| Jul 9, 5:22 PM CDT | Special Weather Statement | TSA | LeFlore | 23 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2012Every severe thunderstorm 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.