Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 211, NWS Norman, OK

April 29, 2016Lincoln County, Pottawatomie County, Seminole County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 29, 2016, 5:49 PM CDT for Lincoln County, Pottawatomie County, Seminole County, Oklahoma. It was in force for 56 min. 6 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: Apr 29, 2016, 5:49 PM CDT (22:49 UTC)
Expired: Apr 29, 2016, 6:45 PM CDT
In force: 56 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.75 in
Wind: 70.0 mph

Counties Lincoln County, OK, Pottawatomie County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 57 km from the middle of the area, began a volume at 22:50 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
Apr 29, 5:50 PM CDT	HAIL 1.75	Shawnee, OK	60 TO 65 MPH WIND GUSTS AS WELL.
Apr 29, 5:59 PM CDT	TSTM WND GST 70	3 S Shawnee, OK	60 TO 70 MPH WIND GUSTS BETWEEN SHAWNEE AND TECUMSEH
Apr 29, 5:59 PM CDT	HAIL 1.25	1 Ne Shawnee, OK
Apr 29, 6:00 PM CDT	TSTM WND GST 58	3 Nnw Shawnee, OK
Apr 29, 6:18 PM CDT	HAIL 2	3 N Little, OK
Apr 29, 6:25 PM CDT	HAIL 2.5	7 N Seminole, OK

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 6 storm reports to this severe thunderstorm warning; the first came 1 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
Apr 29, 1:57 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.8 hours before the alert went out and 71 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: 123 J/kg
Mixed-layer CIN: -903 J/kg
Mixed-layer LCL: 632 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 239 m²/s²
0-3 km storm-relative helicity: 348 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 9.0

Open this sounding in Storm Lab

The text

As transmitted.

095 
WUUS54 KOUN 292249
SVROUN
OKC081-125-133-292345-
/O.NEW.KOUN.SV.W.0211.160429T2249Z-160429T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORMAN OK
549 PM CDT FRI APR 29 2016

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN SEMINOLE COUNTY IN EAST CENTRAL OKLAHOMA...
  SOUTHEASTERN LINCOLN COUNTY IN CENTRAL OKLAHOMA...
  NORTHERN POTTAWATOMIE COUNTY IN CENTRAL OKLAHOMA...

* UNTIL 645 PM CDT

* AT 549 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
  DALE...MOVING NORTHEAST AT 35 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
           CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
           MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

* LOCATIONS IMPACTED INCLUDE...
  SHAWNEE...SEMINOLE...TECUMSEH...MCLOUD...STROUD...PRAGUE...MEEKER...
  EARLSBORO...CROMWELL...JOHNSON...SPARKS...BROOKSVILLE...LITTLE...DALE...
  BETHEL ACRES...CENTERVIEW AND AYDELOTTE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 40 BETWEEN MILE MARKERS 173 AND 213.
 INTERSTATE 44 BETWEEN MILE MARKERS 181 AND 182.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS.

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3520 9703 3538 9715 3540 9714 3578 9663
      3576 9662 3540 9662 3540 9660 3541 9658
      3539 9654 3541 9654 3544 9657 3545 9655
      3546 9654 3543 9651 3543 9649 3546 9648
      3546 9645 3527 9644
TIME...MOT...LOC 2249Z 241DEG 31KT 3533 9702 

HAIL...1.75IN
WIND...70MPH
 
$$

03

3 follow-up statements

776 
WWUS54 KOUN 292302
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
602 PM CDT FRI APR 29 2016

OKC081-125-133-292345-
/O.CON.KOUN.SV.W.0211.000000T0000Z-160429T2345Z/
SEMINOLE OK-LINCOLN OK-POTTAWATOMIE OK-
602 PM CDT FRI APR 29 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR NORTHERN SEMINOLE...SOUTHEASTERN LINCOLN AND NORTHEASTERN
POTTAWATOMIE COUNTIES...

AT 601 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES NORTHWEST OF
LITTLE...MOVING EAST AT 70 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS HAVE REPORTED DAMAGING WINDS AND HAIL
         UP TO THE SIZE OF GOLF BALLS WITH THIS STORM. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
         CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
         MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
SHAWNEE...SEMINOLE...TECUMSEH...STROUD...PRAGUE...MEEKER...EARLSBORO...
CROMWELL...JOHNSON...SPARKS...LITTLE...CENTERVIEW AND AYDELOTTE.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 40 BETWEEN MILE MARKERS 183 AND 213.
 INTERSTATE 44 BETWEEN MILE MARKERS 181 AND 182.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS.

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 3522 9689 3547 9704 3578 9663 3576 9662
      3540 9662 3540 9660 3541 9658 3539 9654
      3541 9654 3544 9657 3545 9655 3546 9654
      3543 9651 3543 9649 3546 9648 3546 9645
      3527 9644
TIME...MOT...LOC 2301Z 254DEG 59KT 3539 9672 

HAIL...1.75IN
WIND...70MPH
 
$$

03

130 
WWUS54 KOUN 292319
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
619 PM CDT FRI APR 29 2016

OKC081-125-133-292345-
/O.CON.KOUN.SV.W.0211.000000T0000Z-160429T2345Z/
SEMINOLE OK-LINCOLN OK-POTTAWATOMIE OK-
619 PM CDT FRI APR 29 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR NORTHERN SEMINOLE...SOUTHEASTERN LINCOLN AND NORTHEASTERN
POTTAWATOMIE COUNTIES...

AT 619 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES EAST OF
LITTLE...MOVING EAST AT 35 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
         CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
         MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
SEMINOLE...PRAGUE...CROMWELL...LITTLE AND CENTERVIEW. 

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 196 AND 213.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 3524 9673 3554 9677 3560 9662 3540 9662
      3540 9660 3541 9658 3539 9654 3541 9654
      3544 9657 3545 9656 3545 9655 3546 9654
      3543 9651 3543 9649 3546 9648 3546 9645
      3527 9644
TIME...MOT...LOC 2319Z 259DEG 30KT 3535 9660 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...70MPH
 
$$

03

340 
WWUS54 KOUN 292329
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
629 PM CDT FRI APR 29 2016

OKC081-125-292338-
/O.CAN.KOUN.SV.W.0211.000000T0000Z-160429T2345Z/
LINCOLN OK-POTTAWATOMIE OK-
629 PM CDT FRI APR 29 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LINCOLN AND
NORTHEASTERN POTTAWATOMIE COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3525 9662 3540 9662 3540 9660 3541 9658
      3539 9654 3541 9654 3544 9657 3545 9656
      3545 9655 3546 9654 3543 9651 3543 9649
      3546 9648 3546 9645 3527 9644
TIME...MOT...LOC 2328Z 244DEG 28KT 3537 9652 

$$

OKC133-292345-
/O.CON.KOUN.SV.W.0211.000000T0000Z-160429T2345Z/
SEMINOLE OK-
629 PM CDT FRI APR 29 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR NORTHEASTERN SEMINOLE COUNTY...

AT 628 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES NORTHWEST OF
CROMWELL...MOVING NORTHEAST AT 35 MPH.

HAZARD...TENNIS BALL SIZE HAIL AND 70 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS AND THE MEDIA HAVE REPORTED LARGE HAIL
         OVER TWO INCHES IN DIAMETER WITH THIS STORM.

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
         DAMAGE TO ROOFS...SIDING...WINDOWS...AND VEHICLES. EXPECT 
         CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO 
         MOBILE HOMES...ROOFS...AND OUTBUILDINGS. 

LOCATIONS IMPACTED INCLUDE...
CROMWELL.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 204 AND 213.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS.

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 3525 9662 3540 9662 3540 9660 3541 9658
      3539 9654 3541 9654 3544 9657 3545 9656
      3545 9655 3546 9654 3543 9651 3543 9649
      3546 9648 3546 9645 3527 9644
TIME...MOT...LOC 2328Z 244DEG 28KT 3537 9652 

TORNADO...POSSIBLE
HAIL...2.50IN
WIND...70MPH
 
$$

03

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 Apr 29, 3:35 PM CDT, 2 hours 14 minutes earlier.

Area forecast discussion, Apr 29, 3:35 PM CDT, 2 hours 14 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
335 PM CDT FRI APR 29 2016

.DISCUSSION...
STRONG/SEVERE STORMS WILL STILL BE POSSIBLE AT THE BEGINNING OF
THIS FORECAST CYCLE...7 PM CDT. HOWEVER...WITHIN A FEW HOURS...THE
EVENT SHOULD BEGIN TO DIMINISH QUICKLY. ONLY THE FAR SOUTHEAST
PART OF OUR FORECAST AREA WILL STILL HAVE A CHANCE OF RAIN BY
EARLY SATURDAY.

AFTER A DRY SATURDAY AND SATURDAY NIGHT...RAIN CHANCES WILL
REENTER OUR FORECAST AREA IN THE WEST ON SUNDAY. THIS EPISODE OF
SHOWERS AND THUNDERSTORMS IS UNLIKELY TO INVOLVE SEVERE
STORMS...AS THE SURFACE FRONT AND LOW-LEVEL MOISTURE WILL BE WELL
SOUTH OF US.

A CHANCE OF RAIN WILL PERSIST THROUGH MONDAY NIGHT...THEN DRY
WEATHER IS EXPECTED FOR THE REMAINDER OF THE FORECAST PERIOD.

TEMPERATURES WILL BE ABOUT 10 DEGREES BELOW THE SEASONAL AVERAGE
THIS WEEKEND...THEN WARM BACK ABOVE AVERAGE BY THE END OF NEXT
WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  51  71  47  68 /  50   0   0   0
HOBART OK         45  70  45  68 /  20   0   0  10
WICHITA FALLS TX  52  74  50  72 /  20   0   0   0
GAGE OK           40  66  40  61 /  20   0  10  30
PONCA CITY OK     49  70  45  68 /  80  10   0   0
DURANT OK         62  77  54  75 /  70  10   0   0

&&

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

68/23

Hazardous weather outlook, Apr 29, 12:02 PM CDT, 5 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1202 PM CDT FRI APR 29 2016

OKZ004>048-050>052-TXZ083>090-301715-
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-
1202 PM CDT FRI APR 29 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHERN...
WESTERN...CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN
NORTH TEXAS.

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

.THUNDERSTORMS...
THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON
AND EVENING ACROSS PARTS OF OKLAHOMA AND WESTERN NORTH TEXAS.

LOCATION...
THE ENHANCED RISK AREA COVERS LOCATIONS EAST AND SOUTH OF A LINE
FROM WICHITA FALLS TEXAS...TO ALTUS...TO LAWTON...TO PAULS VALLEY TO
ADA. THIS ENHANCED RISK AREA IS SURROUNDED BY SLIGHT AND MARGINAL
RISKS.

TIMING...
MAINLY 2 PM THIS AFTERNOON THROUGH MIDNIGHT TONIGHT.

IMPACTS...
HAIL UP TO THE SIZE OF TENNIS BALLS WILL BE THE MAIN HAZARD...
WITH DAMAGING WINDS UP TO 75 MPH AND TORNADOES ALSO POSSIBLE

DISCUSSION...
BEFORE 2 PM THIS AFTERNOON...ISOLATED TO NUMEROUS SHOWERS AND
THUNDERSTORMS WILL OCCUR ACROSS WESTERN AND NORTHERN OKLAHOMA.
THESE STORMS ARE EXPECTED TO BE ELEVATED IN NATURE...WHICH WILL
BRING LOCALLY HEAVY RAINFALL AS WELL AS SOME HAIL UP TO THE SIZE
OF HALF-DOLLARS.

AROUND 2 PM THIS AFTERNOON...NEW STORM DEVELOPMENT IS EXPECTED
OVER SOUTHWESTERN OKLAHOMA AND WESTERN NORTH TEXAS AHEAD OF A
DRYLINE AND NEAR A WARM FRONT. THESE STORMS WILL LIKELY BEGIN AS
SUPERCELL STORMS WITH VERY LARGE HAIL AS THE MAIN IMPACT. STORMS
THAT ARE ORIENTED CLOSE TO THE WARM FRONT WILL ALSO HAVE A HIGHER
CHANCE OF PRODUCING TORNADOES LATE THIS AFTERNOON AND EVENING.
STORMS MAY ORGANIZE INTO LINES OR CLUSTERS AS THEY MOVE EAST LATE
THIS AFTERNOON AND THIS EVENING AND AFFECT LOCATIONS MAINLY ACROSS
SOUTHERN AND CENTRAL OKLAHOMA. THE THREAT FOR SEVERE WEATHER IS
EXPECTED TO END BY MIDNIGHT TONIGHT.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...

STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREAS SHOULD BE PREPARED FOR SEVERE WEATHER OPERATIONS
THROUGH THIS EVENING.

.HEAVY RAINFALL...
ROUNDS OF SHOWERS AND THUNDERSTORMS WILL BRING SOME HEAVY RAINFALL
TO PARTS OKLAHOMA THROUGH TONIGHT. LOCALIZED FLOODING IS POSSIBLE
THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

.THUNDERSTORMS...
THUNDERSTORMS MAY LINGER OVER FAR SOUTHEAST OKLAHOMA EARLY
SATURDAY MORNING BUT SEVERE STORMS ARE UNLIKELY.

ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS MAY OCCUR LATE SUNDAY
INTO MONDAY. SEVERE POTENTIAL SUNDAY AND MONDAY REMAINS LOW.

GET GRAPHICS AND MORE DETAILS AT WEATHER.GOV/NORMAN...AND FOLLOW
OUR WEATHER FORECAST OFFICE ON TWITTER AND FACEBOOK.

MBS

In the hours before

Special weather statement, Apr 29, 5:04 PM CDT, 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
504 PM CDT FRI APR 29 2016

OKZ028>030-040-292245-
POTTAWATOMIE OK-MCCLAIN OK-CLEVELAND OK-GARVIN OK-
504 PM CDT FRI APR 29 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN POTTAWATOMIE...
SOUTHERN MCCLAIN...SOUTHEASTERN CLEVELAND AND NORTH CENTRAL GARVIN
COUNTIES UNTIL 545 PM CDT...

AT 503 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 6 MILES NORTH OF
MAYSVILLE...MOVING EAST AT 35 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...
WIND GUSTS OVER 50 MPH...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...
FREQUENT CLOUD TO GROUND LIGHTNING...

LOCATIONS IMPACTED INCLUDE...
PURCELL...LEXINGTON...DIBBLE...WAYNE...WANETTE...BYARS...ROSEDALE...CRINER...
TROUSDALE AND PAYNE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3486 9765 3502 9764 3505 9699 3484 9701
TIME...MOT...LOC 2203Z 257DEG 29KT 3491 9743

Local storm report, Apr 29, 5:19 PM CDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
519 PM CDT FRI APR 29 2016

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

0515 PM     HAIL             2 W VELMA               34.46N 97.70W
04/29/2016  E1.50 INCH       STEPHENS           OK   BROADCAST MEDIA

            REPORTED ALONG HIGHWAY 7.

&&

TLINDLEY

Local storm report, Apr 29, 5:39 PM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
539 PM CDT FRI APR 29 2016

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

0518 PM     FLASH FLOOD      GOLDSBY                 35.15N 97.48W
04/29/2016                   MCCLAIN            OK   LAW ENFORCEMENT

            FLOODING RESULTED IN A CLOSURE ALONG INTERSTATE 35.
            REPORTED BY OHP.

&&

TLINDLEY

Special weather statement, Apr 29, 5:39 PM CDT, 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
539 PM CDT FRI APR 29 2016

OKZ028>032-040>042-292345-
POTTAWATOMIE OK-PONTOTOC OK-MCCLAIN OK-HUGHES OK-CLEVELAND OK-
MURRAY OK-SEMINOLE OK-GARVIN OK-
539 PM CDT FRI APR 29 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN POTTAWATOMIE...
PONTOTOC...SOUTHEASTERN MCCLAIN...WEST CENTRAL HUGHES...SOUTHEASTERN
CLEVELAND...NORTHEASTERN MURRAY...SOUTHERN SEMINOLE AND GARVIN
COUNTIES UNTIL 645 PM CDT...

AT 537 PM CDT...A STRONG THUNDERSTORM WAS LOCATED NEAR KATIE...MOVING
EAST AT 45 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...
WIND GUSTS TO 50 MPH...
MINOR FLOODING IN AREAS OF POOR DRAINAGE...
FREQUENT CLOUD TO GROUND LIGHTNING...

LOCATIONS IMPACTED INCLUDE...
ADA...PAULS VALLEY...WYNNEWOOD...STRATFORD...KONAWA...BYNG...ROFF...ELMORE
CITY...WAYNE...PAOLI...ASHER...WANETTE...KATIE...FRANCIS...BYARS...FITZHUGH...
FOSTER...ST. LOUIS...SASAKWA AND HICKORY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3454 9754 3508 9721 3510 9645 3454 9665
TIME...MOT...LOC 2237Z 252DEG 40KT 3460 9737

Local storm report, Apr 29, 5:40 PM CDT, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
540 PM CDT FRI APR 29 2016

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

0440 PM     TSTM WND DMG     DUNCAN                  34.50N 97.96W
04/29/2016                   STEPHENS           OK   BROADCAST MEDIA

            HWY 7 AND EASTLAND DRIVE PWR POLES DOWN

0509 PM     HAIL             NORMAN                  35.22N 97.44W
04/29/2016  E1.25 INCH       CLEVELAND          OK   EMERGENCY MNGR

            ON OU CAMPUS

0515 PM     HAIL             NORMAN                  35.22N 97.44W
04/29/2016  E1.00 INCH       CLEVELAND          OK   PUBLIC

            36TH AND ALAMEDA

&&

DW

Local storm report, Apr 29, 5:43 PM CDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
543 PM CDT FRI APR 29 2016

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

0445 PM     HAIL             BLANCHARD               35.13N 97.68W
04/29/2016  E1.00 INCH       GRADY              OK   CO-OP OBSERVER

&&

DW

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 7:41 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson	49 min
Apr 28, 10:29 PM CDT	Special Weather Statement	OUN	Roger Mills	31 min
Apr 29, 12:58 AM CDT	Special Weather Statement	OUN	Murray	32 min
Apr 29, 1:27 AM CDT	Special Weather Statement	OUN	Garvin	33 min
Apr 29, 1:42 AM CDT	Special Weather Statement	OUN	Pottawatomie	33 min
Apr 29, 1:46 AM CDT	Special Weather Statement	OUN	Stephens	29 min
Apr 29, 1:58 AM CDT	Special Weather Statement	OUN	Pontotoc	32 min
Apr 29, 2:07 AM CDT	Severe Thunderstorm Warning	OUN	Garvin, Grady, Stephens	41 min
Apr 29, 2:09 AM CDT	Special Weather Statement	OUN	Marshall	36 min
Apr 29, 2:21 AM CDT	Severe Thunderstorm Warning	OUN	Hughes, Pontotoc, Pottawatomie, Seminole	39 min
Apr 29, 2:39 AM CDT	Special Weather Statement	OUN	Love	36 min
Apr 29, 3:03 AM CDT	Special Weather Statement	OUN	Johnston, Marshall	27 min
Apr 29, 3:08 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Johnston, Marshall	37 min
Apr 29, 3:11 AM CDT	Special Weather Statement	OUN	Hughes, Seminole	34 min
Apr 29, 3:20 AM CDT	Severe Thunderstorm Warning	OUN	Hughes	40 min
Apr 29, 3:24 AM CDT	Areal Flood Advisory	OUN	Coal, Hughes, Johnston, Marshall, Pontotoc, Seminole	4 hr
Apr 29, 3:24 AM CDT	Special Weather Statement	OUN	Atoka	36 min
Apr 29, 3:29 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal	21 min
Apr 29, 3:48 AM CDT	Special Weather Statement	OUN	Harper	42 min
Apr 29, 4:18 AM CDT	Special Weather Statement	OUN	Coal	27 min
Apr 29, 4:52 AM CDT	Special Weather Statement	OUN	Atoka	23 min
Apr 29, 8:01 AM CDT	Special Weather Statement	OUN	Beckham	29 min
Apr 29, 8:46 AM CDT	Special Weather Statement	OUN	Custer	44 min
Apr 29, 9:31 AM CDT	Special Weather Statement	OUN	Blaine	44 min
Apr 29, 9:35 AM CDT	Special Weather Statement	OUN	Harper	55 min
Apr 29, 10:17 AM CDT	Special Weather Statement	OUN	Major	43 min
Apr 29, 10:19 AM CDT	Special Weather Statement	OUN	Dewey	41 min
Apr 29, 10:49 AM CDT	Special Weather Statement	OUN	Major	41 min
Apr 29, 11:02 AM CDT	Special Weather Statement	OUN	Grant	43 min
Apr 29, 11:04 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Dewey, Major, Woods	41 min
Apr 29, 11:38 AM CDT	Special Weather Statement	OUN	Washita	52 min
Apr 29, 11:45 AM CDT	Special Weather Statement	OUN	Major	45 min
Apr 29, 12:15 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	45 min
Apr 29, 12:22 PM CDT	Special Weather Statement	OUN	Garfield	53 min
Apr 29, 12:33 PM CDT	Special Weather Statement	OUN	Garfield	27 min
Apr 29, 12:36 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	39 min
Apr 29, 12:55 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	50 min
Apr 29, 1:11 PM CDT	Special Weather Statement	OUN	Garfield	49 min
Apr 29, 1:14 PM CDT	Special Weather Statement	OUN	Jackson	46 min
Apr 29, 1:34 PM CDT	Severe Thunderstorm Warning	OUN	Jackson, Kiowa, Tillman	56 min
Apr 29, 1:42 PM CDT	Severe Thunderstorm Warning	OUN	Kay	33 min
Apr 29, 1:46 PM CDT	Special Weather Statement	OUN	Kiowa	44 min
Apr 29, 2:15 PM CDT	Severe Thunderstorm Warning	OUN	Kay	15 min
Apr 29, 2:20 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Jackson, Kiowa, Tillman	55 min
Apr 29, 2:29 PM CDT	Special Weather Statement	OUN	Logan, Payne	46 min
Apr 29, 2:31 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Kiowa, Tillman	44 min
Apr 29, 2:54 PM CDT	Special Weather Statement	OUN	Kay	36 min
Apr 29, 3:04 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche	56 min
Apr 29, 3:08 PM CDT	Special Weather Statement	OUN	Kay, Noble	37 min
Apr 29, 3:12 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche	63 min
Apr 29, 3:20 PM CDT	Tornado Warning	OUN	Caddo, Comanche, Grady	40 min
Apr 29, 3:51 PM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Kiowa, Tillman	3 hr
Apr 29, 3:56 PM CDT	Tornado Warning	OUN	Caddo, Comanche, Grady	49 min
Apr 29, 4:05 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Grady, Jefferson, Stephens	40 min
Apr 29, 4:09 PM CDT	Areal Flood Advisory	OUN	Caddo, Comanche, Grady, Stephens	51 min
Apr 29, 4:27 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	48 min
Apr 29, 4:29 PM CDT	Tornado Warning	OUN	Cleveland, Grady, McClain	46 min
Apr 29, 4:40 PM CDT	Flash Flood Warning	OUN	Caddo, Cleveland, Grady, McClain	3 hr
Apr 29, 4:43 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Grady, Jefferson, McClain, Stephens	47 min
Apr 29, 5:04 PM CDT	Special Weather Statement	OUN	McClain	41 min
Apr 29, 5:08 PM CDT	Areal Flood Advisory	OUN	Cleveland, McClain	3 hr
Apr 29, 5:09 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Oklahoma, Pottawatomie	51 min
Apr 29, 5:31 PM CDT	Flash Flood Warning	OUN	Bryan	3 hr
Apr 29, 5:39 PM CDT	Special Weather Statement	OUN	Garvin, Pontotoc	66 min
Apr 29, 5:45 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, McClain, Murray, Pontotoc	45 min
Apr 29, 5:48 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Jefferson, Love, Marshall, Murray	57 min
Apr 29, 5:55 PM CDT	Special Weather Statement	OUN	Johnston	50 min
Apr 29, 6:00 PM CDT	Areal Flood Advisory	OUN	Cleveland, Garvin, McClain, Pottawatomie, Stephens	2 hr
Apr 29, 6:05 PM CDT	Special Weather Statement	OUN	Atoka, Bryan	55 min
Apr 29, 6:30 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Johnston, Murray, Pontotoc, Pottawatomie, Seminole	45 min
Apr 29, 6:41 PM CDT	Special Weather Statement	OUN	Carter	49 min
Apr 29, 6:49 PM CDT	Flash Flood Warning	OUN	Hughes, Pontotoc, Pottawatomie, Seminole	41 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2016 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.