Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 319, NWS Norman, OK

May 29, 2012Hughes County, Pottawatomie County, Seminole County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 29, 2012, 9:44 PM CDT for Hughes County, Pottawatomie County, Seminole County, Oklahoma. It was in force for 61 min. 3 reports 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: May 29, 2012, 9:44 PM CDT (02:44 UTC)
Expired: May 29, 2012, 10:45 PM CDT
In force: 61 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

Counties Hughes County, OK, Pottawatomie County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 77 km from the middle of the area, began a volume at 02:45 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
May 29, 10:00 PM CDT	TSTM WND DMG	Holdenville, OK	A LARGE METAL ROOF WAS BLOWN OFF A BUILDING IN DOWNTOWN. TREE DAMAGE WAS ALSO REPORTED.
May 29, 10:02 PM CDT	TSTM WND GST 60	Holdenville, OK
May 29, 10:38 PM CDT	TSTM WND GST 60	Wetumka, OK	POWER LINES AND POLES WERE BLOWN DOWN. THE ENTIRE TOWN WAS WITHOUT POWER. ONE TREE WAS BLOWN DOWN ONTO A RESIDENCE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 16 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 29, 3:55 PM CDT	Severe Thunderstorm Watch	SPC	12 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 2.7 hours before the alert went out and 88 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2199 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1607 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

944 
WUUS54 KOUN 300244
SVROUN
OKC063-125-133-300345-
/O.NEW.KOUN.SV.W.0319.120530T0244Z-120530T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
944 PM CDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HUGHES COUNTY IN SOUTHEAST OKLAHOMA...
  EXTREME NORTHEASTERN POTTAWATOMIE COUNTY IN CENTRAL OKLAHOMA...
  SEMINOLE COUNTY IN EAST CENTRAL OKLAHOMA...

* UNTIL 1045 PM CDT

* AT 941 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED 
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL 
  AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 
  10 MILES NORTHWEST OF CROMWELL...MOVING SOUTHEAST AT 30 MPH. 

* LOCATIONS IMPACTED INCLUDE...
  HOLDENVILLE...WEWOKA...WETUMKA...DUSTIN...CALVIN...CROMWELL...
  LAMAR...ATWOOD...YEAGER...HORNTOWN...LITTLE...LIMA...
  SPAULDING AND CENTERVIEW. 

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 197 AND 213.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE INSIDE A STURDY BUILDING UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3512 9601 3482 9638 3492 9640 3490 9643
      3542 9676 3547 9667 3545 9663 3539 9661
      3541 9659 3540 9654 3546 9655 3543 9651
      3543 9643 3529 9643 3529 9598
TIME...MOT...LOC 0241Z 316DEG 25KT 3536 9655 

$$

MAXWELL

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at May 29, 6:28 PM CDT, 3 hours 16 minutes earlier.

Area forecast discussion, May 29, 6:28 PM CDT, 3 hours 16 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
628 PM CDT TUE MAY 29 2012

.AVIATION...
SEVERE STORMS DEVELOPMENT HAS OCCURRED OVER THE PAST 1 TO 2 HOURS
ACROSS NORTHWEST AND SOUTHWEST OKLAHOMA. SHORT TERM MODEL GUIDANCE
EXPANDS THE COVERAGE OF STORMS ACROSS NORTHERN AND CENTRAL
OKLAHOMA FROM 1-6Z WHILE LIMITING COVERAGE AND DURATION WITH
CONVECTION SOUTH. WILL MENTION PREVAILING TSRA AT OKC AND OUN FOR
A FEW HOURS THIS EVENING. MOST OF THE CONVECTION IS EXPECTED TO
MOVE INTO EASTERN AND SOUTHERN OKLAHOMA DURING THE OVERNIGHT
(AFTER 7Z). MORE STORMS ARE EXPECTED TO DEVELOP WEDNESDAY
AFTERNOON MAINLY ACROSS NORTHERN OKLAHOMA BETWEEN 21-00Z.

&&

.PREV DISCUSSION... /ISSUED 311 PM CDT TUE MAY 29 2012/

DISCUSSION...
SFC LOW IS POSITIONED OVER NE TX PANHANDLE WITH WARM FRONT EXTENDING
ACROSS THE OK/KS BORDER AND A DRYLINE EXTENDING SOUTH ACROSS WESTERN
OK. THESE BOUNDARIES AND TRIPLE POINT COULD BE FOCUS FOR CONVECTION
LATER THIS AFTERNOON AND THIS EVENING WITH THE BEST CHANCES ALONG
THE FRONT AND NEAR THE TRIPLE POINT. THIS ACTIVITY IS EXPECTED TO
THEN CONGEAL INTO ONE OR MORE STORM COMPLEXES THAT MOVE ACROSS THE
FA TONIGHT WITH THE BEST CHANCE ACROSS NORTH CENTRAL/CENTRAL OK.
SOME OF THE STORMS WILL BECOME SEVERE PRODUCING LARGE HAIL AND
DAMAGING WIND GUSTS.

ANOTHER ROUND OF SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS IS
EXPECTED TO OCCUR WEDNESDAY AFTN/NIGHT. A SHORTWAVE WILL MOVE ACROSS
THE REGION WEDNESDAY/THURSDAY PROVIDING SOME UPPER SUPPORT THAT IS
LACKING FOR TODAY. A COLD FRONT WILL ALSO MOVE ACROSS THE REGION
LATE WEDNESDAY INTO THURSDAY. SOME OF THE STORMS WILL LIKELY BECOME
SEVERE. LOCALLY HEAVY RAIN COULD ALSO BECOME AN ISSUE IN SOME AREAS.

COOLER AIR IS EXPECTED TO MOVE INTO THE REGION BEHIND THE FRONT
LEADING TO BELOW NORMAL TEMPERATURES FOR ABOUT THE LATTER HALF OF
THE WEEK. TEMPERATURES WILL WARM TO AOA NORMAL OVER THE WEEKEND INTO
EARLY NEXT WEEK. RIGHT NOW THE FORECAST IS DRY AFTER THURSDAY BUT
WITH RETURNING MOISTURE AND NW FLOW FOR AT LEAST THE LAST HALF OF
THE WORK WEEK SOME ADDITIONAL STORMS CAN NOT BE RULED OUT.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  70  88  64  77 /  50  30  70  20
HOBART OK         69  90  63  80 /  40  30  50  10
WICHITA FALLS TX  72  93  65  85 /  30  20  40  20
GAGE OK           65  82  61  75 /  30  40  50  10
PONCA CITY OK     65  82  60  73 /  60  50  80  20
DURANT OK         72  88  70  83 /  40  30  70  40

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
TX...NONE.
&&

Hazardous weather outlook, May 29, 12:06 PM CDT, 9 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1206 PM CDT TUE MAY 29 2012

OKZ004>048-050>052-TXZ083>090-301000-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
1206 PM CDT TUE MAY 29 2012

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THUNDERSTORM OUTLOOK...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS
AFTERNOON AND EVENING ACROSS OKLAHOMA AND WESTERN NORTH TEXAS.

LOCATION...
THE SLIGHT RISK AREA COVERS ALL COUNTIES IN OKLAHOMA AND WESTERN
NORTH TEXAS COVERED BY NWS NORMAN.

TIMING...
THE MOST LIKELY TIME FOR SEVERE THUNDERSTORMS WILL BE FROM 4 PM
THROUGH MIDNIGHT CDT.

RECOMMENDED ACTIONS...
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREA SHOULD PLAN FOR SEVERE WEATHER OPERATIONS LATE THIS
AFTERNOON AND EVENING.

IMPACTS...
HAIL LARGER THAN TWO INCHES IN DIAMETER WILL BE THE MAIN
HAZARD...CAUSING DAMAGE TO ROOFS...CROPS AND CARS.

DAMAGING WIND GUSTS OVER 65 MPH WILL ALSO BE POSSIBLE...CAUSING
DAMAGE TO STRUCTURES...TREES AND UTILITY LINES.

DISCUSSION...
SURFACE LOW PRESSURE WILL DEEPEN THIS AFTERNOON OVER THE
NORTHEASTERN TEXAS PANHANDLE. AS THIS OCCURS...A WARM FRONT WILL
MOVE NORTH AND REACH THE KANSAS OKLAHOMA BORDER REGION BY 6 PM CDT.
A DRYLINE WILL BE SITUATED ACROSS WESTERN OKLAHOMA AND WESTERN
NORTH TEXAS...SHARPENING THROUGH THE AFTERNOON. AMPLE MOISTURE
AND RISING TEMPERATURES WILL LEAD TO A HIGHLY UNSTABLE WARM SECTOR
OVER OKLAHOMA AND NORTH TEXAS THIS AFTERNOON AND EVENING.

STRONG SURFACE HEATING WILL WEAKEN INHIBITION...ALLOWING FOR
ISOLATED TO SCATTERED THUNDERSTORM DEVELOPMENT BETWEEN
4 AND 7 PM CDT. THIS WILL LIKELY OCCUR FIRST NEAR THE OKLAHOMA
KANSAS LINE OR ALONG THE DRYLINE IN WESTERN OKLAHOMA. STORMS WILL
MOVE EAST AND SOUTHEAST LATE THIS AFTERNOON AND EVENING.

INITIAL STORMS WILL POSE A THREAT OF VERY LARGE HAIL AND DAMAGING
WINDS. STORMS MAY GROW INTO A COMPLEX AFTER 7 PM CDT...POSING
MAINLY A DAMAGING WIND THREAT MAINLY NORTHEAST OF A WOODWARD TO
DURANT LINE. ALTHOUGH A FEW SEVERE STORMS CANNOT BE RULED OUT
AFTER MIDNIGHT...MUCH OF THE SEVERE POTENTIAL WILL DIMINISH.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT WEDNESDAY MAY 30.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...90 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...90 PERCENT.

OTHER HAZARDOUS WEATHER...
LOCALLY HEAVY RAIN MAY OCCUR WITH THUNDERSTORMS LATE
THIS AFTERNOON AND TONIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

THUNDERSTORM OUTLOOK...
WIDESPREAD AND POSSIBLY SIGNIFICANT SEVERE WEATHER IS ANTICIPATED
ON WEDNESDAY AS LARGE INSTABILITY AND A LOW PRESSURE DISTURBANCE
CONTRIBUTE TO SCATTERED TO NUMEROUS THUNDERSTORMS DURING THE
LATE AFTERNOON AND EVENING HOURS. LARGE HAIL AND DAMAGING WINDS
WILL BE THE MAIN HAZARDS...THOUGH A TORNADO OR TWO MAY ALSO OCCUR.

STORMS MAY LINGER INTO THURSDAY WITH A CONTINUED THREAT OF
DAMAGING WINDS DURING THE MORNING HOURS.

BY THURSDAY AFTERNOON...STORM CHANCES DECREASE WITH A RELATIVELY
DRY PATTERN SETTING UP THROUGH THE WEEKEND.

OTHER HAZARDOUS WEATHER...
LOCALLY HEAVY RAIN MAY OCCUR WITH THUNDERSTORMS WEDNESDAY INTO
THURSDAY MORNING.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY
5 AM CDT WEDNESDAY.

AUSTIN/MBS/MAXWELL

In the hours before

Local storm report, May 29, 8:59 PM CDT, 45 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
859 PM CDT TUE MAY 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0859 PM     HAIL             LAKE KICKAPOO           33.65N 98.78W
05/29/2012  E1.75 INCH       ARCHER             TX   AMATEUR RADIO

&&

NWS NORMAN

Local storm report, May 29, 9:15 PM CDT, 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
915 PM CDT TUE MAY 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0910 PM     HAIL             LAKE KICKAPOO           33.65N 98.78W
05/29/2012  E2.75 INCH       ARCHER             TX   AMATEUR RADIO

&&

NWS NORMAN

Local storm report, May 29, 9:18 PM CDT, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
918 PM CDT TUE MAY 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0910 PM     TSTM WND GST     5 WNW EL RENO           35.56N 98.04W
05/29/2012  M58 MPH          CANADIAN           OK   MESONET

0905 PM     TSTM WND GST     4 WSW GUTHRIE           35.86N 97.49W
05/29/2012  M70 MPH          LOGAN              OK   MESONET

&&

NWS NORMAN

Special weather statement, May 29, 9:30 PM CDT, 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
930 PM CDT TUE MAY 29 2012

OKZ019-025-026-030>032-300330-
LOGAN OK-LINCOLN OK-OKLAHOMA OK-SEMINOLE OK-POTTAWATOMIE OK-
HUGHES OK-
930 PM CDT TUE MAY 29 2012

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LOGAN...LINCOLN...
OKLAHOMA...SEMINOLE...POTTAWATOMIE AND HUGHES COUNTIES UNTIL 1030
PM CDT...

AT 927 PM CDT...STRONG THUNDERSTORMS WERE ALONG A LINE EXTENDING
FROM BOLEY TO MEEKER TO ARCADIA...MOVING SOUTHEAST AT 15 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...
WIND GUSTS TO 50 MPH...

LOCATIONS IMPACTED INCLUDE...
SHAWNEE...SEMINOLE...TECUMSEH...HARRAH...WEWOKA...MCLOUD...
CHANDLER...JONES...PRAGUE...WETUMKA...MAUD...MEEKER...WELLSTON...
EARLSBORO...LUTHER...BOWLEGS...ARCADIA...CROMWELL...WARWICK AND
JOHNSON.

MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.

LAT...LON 3513 9601 3510 9683 3577 9750 3585 9709
      3554 9662 3539 9661 3541 9659 3540 9654
      3546 9655 3543 9651 3545 9647 3542 9643
      3529 9643 3529 9621 3515 9599
TIME...MOT...LOC 0227Z 313DEG 14KT 3543 9652 3547 9684 3572 9728

MAXWELL

Local storm report, May 29, 9:32 PM CDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
932 PM CDT TUE MAY 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0929 PM     HAIL             2 E UNION CITY          35.39N 97.90W
05/29/2012  E1.75 INCH       CANADIAN           OK   TRAINED SPOTTER

0929 PM     HAIL             4 S CALUMET             35.54N 98.12W
05/29/2012  E1.25 INCH       CANADIAN           OK   TRAINED SPOTTER

&&

NWS NORMAN

Local storm report, May 29, 9:37 PM CDT, 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
937 PM CDT TUE MAY 29 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0936 PM     HAIL             2 WNW TUTTLE            35.30N 97.85W
05/29/2012  E1.25 INCH       GRADY              OK   TRAINED SPOTTER

&&

NWS NORMAN

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 7:00 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	60 min
May 29, 7:05 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	25 min
May 29, 7:14 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	40 min
May 29, 7:20 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Noble, Payne	40 min
May 29, 7:27 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Garfield, Kingfisher, Logan, Major and 1 more	63 min
May 29, 7:27 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	63 min
May 29, 7:31 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant, Kay, Noble, Woods	25 min
May 29, 8:05 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Kingfisher, Lincoln, Logan, McClain and 1 more	55 min
May 29, 8:26 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Garfield, Kingfisher, Logan, Major and 1 more	64 min
May 29, 8:27 PM CDT	Tornado Warning	OUN	Canadian, Oklahoma	33 min
May 29, 8:50 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Cleveland, Grady, Kingfisher, Lincoln and 4 more	40 min
May 29, 9:27 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Cleveland, Grady, Kingfisher and 2 more	63 min
May 29, 9:30 PM CDT	Special Weather Statement	OUN	Lincoln, Seminole	60 min
May 29, 10:12 PM CDT	Areal Flood Advisory	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	3 hr
May 29, 10:16 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, Grady, McClain, Oklahoma	59 min
May 29, 10:29 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Cleveland, Grady, Kingfisher	61 min
May 29, 10:42 PM CDT	Severe Thunderstorm Warning	OUN	Coal, Hughes	33 min
May 29, 10:56 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, McClain, Murray, Pontotoc, Pottawatomie and 1 more	47 min
May 29, 10:58 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Garvin, Grady, Stephens	47 min
May 29, 11:29 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Grady	31 min
May 29, 11:32 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Johnston, Murray, Pontotoc	58 min
May 29, 11:46 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Comanche, Garvin, Grady, Jefferson, Murray and 1 more	44 min
May 30, 12:07 AM CDT	Special Weather Statement	OUN	Bryan, Johnston, Love, Marshall	23 min
May 30, 12:21 AM CDT	Special Weather Statement	OUN	Lincoln, Pottawatomie, Seminole	39 min
May 30, 12:28 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Comanche, Cotton, Grady, Jefferson, Love and 1 more	62 min
May 30, 12:41 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Marshall	64 min
May 30, 1:07 AM CDT	Special Weather Statement	OUN	Coal, Hughes, Seminole	68 min
May 30, 1:14 AM CDT	Special Weather Statement	OUN	Marshall	31 min
May 30, 1:26 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Love, Marshall	64 min
May 30, 1:31 AM CDT	Special Weather Statement	OUN	Stephens	29 min
May 30, 1:35 AM CDT	Severe Thunderstorm Warning	OUN	Jefferson, Stephens	40 min
May 30, 2:23 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Jefferson, Love, Stephens	67 min
May 30, 5:04 AM CDT	Special Weather Statement	OUN	Oklahoma	11 min
May 30, 5:13 AM CDT	Areal Flood Advisory	OUN	Oklahoma	2 hr
May 30, 5:33 AM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	57 min
May 30, 5:37 AM CDT	Special Weather Statement	OUN	Johnston	53 min
May 30, 5:46 AM CDT	Flash Flood Warning	OUN	Oklahoma	3 hr
May 30, 6:16 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Oklahoma	44 min
May 30, 6:48 AM CDT	Areal Flood Advisory	OUN	Canadian, Oklahoma	3 hr
May 30, 7:01 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Oklahoma	59 min
May 30, 7:01 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Love, Marshall	59 min
May 30, 7:45 AM CDT	Special Weather Statement	OUN	McClain, Murray	45 min
May 30, 5:35 PM CDT	Special Weather Statement	OUN	Washita	25 min
May 30, 6:06 PM CDT	Special Weather Statement	OUN	Caddo, Washita	24 min
May 30, 6:26 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian, Custer, Grady, Washita	64 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2012 Every 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.