Alert archive / Oklahoma / Wind Advisories in 2013

Wind Advisory 10, NWS Norman, OK

May 1, 201348 counties in Oklahoma; 8 counties in Texas

NWS Norman, OK issued this wind advisory at May 1, 2013, 3:49 PM CDT for 48 counties in Oklahoma; 8 counties in Texas. It took effect at May 1, 2013, 7:00 PM CDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
May 1, 2013, 3:49 PM CDT (20:49 UTC)
In effect from
May 1, 2013, 7:00 PM CDT
Expired
May 2, 2013, 7:00 PM CDT
In force
24 hr
Issued by
NWS Norman, OK
All 56 counties

Alfalfa County, OK, Atoka County, OK, Beckham County, OK, Blaine County, OK, Bryan County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Major County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Norman radar (KTLX), 81 km from the middle of the area, began a volume at 20:50 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.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 8.8 hours before the alert went out and 67 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2013-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 384 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2013-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
384 J/kg
Mixed-layer CIN
-569 J/kg
Mixed-layer LCL
959 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
166 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

341 
WWUS74 KOUN 012049
NPWOUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
349 PM CDT WED MAY 1 2013

OKZ011-014>018-021>024-033>035-020500-
/O.NEW.KOUN.WI.Y.0010.130502T0000Z-130503T0000Z/
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
MAJOR-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-BECKHAM-WASHITA-
CADDO-CANADIAN-HARMON-GREER-KIOWA-
INCLUDING THE CITIES OF...FAIRVIEW...CHEYENNE...TALOGA...
WEATHERFORD...CLINTON...WATONGA...KINGFISHER...ELK CITY...SAYRE...
CORDELL...ANADARKO...YUKON...EL RENO...MUSTANG...HOLLIS...
MANGUM...HOBART
349 PM CDT WED MAY 1 2013

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
THURSDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
THURSDAY. A FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY MORNING. 

* TEMPERATURE: GENERALLY 30 TO 32 DEGREES...BELOW FREEZING
  TEMPERATURES MAY PERSIST UP TO 3 OR 4 HOURS.

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION. 

* WINDS: SUSTAINED WIND SPEEDS OF 30 MPH WITH GUSTS TO 40 MPH ARE
  LIKELY. UNSECURED LIGHTWEIGHT OBJECTS WILL BE BLOWN AROUND.
  HIGH-PROFILE VEHICLES WILL BE DIFFICULT TO CONTROL ON EAST-WEST
  HIGHWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN. SECURE LIGHTWEIGHT
ITEMS AND EXERCISE EXTRA CAUTION WHEN DRIVING ON EAST-WEST
HIGHWAYS.


&&

$$

OKZ027-036>038-TXZ083-020500-
/O.NEW.KOUN.WI.Y.0010.130502T0000Z-130503T0000Z/
/O.EXA.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
GRADY-JACKSON-TILLMAN-COMANCHE-HARDEMAN-
INCLUDING THE CITIES OF...CHICKASHA...ALTUS...FREDERICK...
LAWTON...QUANAH...CHILLICOTHE
349 PM CDT WED MAY 1 2013

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
THURSDAY...
...FREEZE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 PM CDT
THURSDAY. A FREEZE WATCH HAS ALSO BEEN ISSUED. THIS FREEZE WATCH
IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY MORNING. 

* TEMPERATURE: GENERALLY 30 TO 32 DEGREES...BELOW FREEZING
  TEMPERATURES MAY PERSIST UP TO 3 OR 4 HOURS IN FROST-PRONE
  AREAS.

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION. 

* WINDS: SUSTAINED WIND SPEEDS OF 30 MPH WITH GUSTS TO 40 MPH ARE
  LIKELY. UNSECURED LIGHTWEIGHT OBJECTS WILL BE BLOWN AROUND.
  HIGH-PROFILE VEHICLES WILL BE DIFFICULT TO CONTROL ON EAST-WEST
  HIGHWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN. SECURE LIGHTWEIGHT
ITEMS AND EXERCISE EXTRA CAUTION WHEN DRIVING ON EAST-WEST
HIGHWAYS.

&&

$$

OKZ026-028>032-039>042-044>047-050-051-TXZ084>090-020500-
/O.EXA.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
LINCOLN-MCCLAIN-CLEVELAND-POTTAWATOMIE-SEMINOLE-HUGHES-STEPHENS-
GARVIN-MURRAY-PONTOTOC-COTTON-JEFFERSON-CARTER-JOHNSTON-LOVE-
MARSHALL-FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...CHANDLER...PURCELL...NORMAN...MOORE...
SHAWNEE...SEMINOLE...HOLDENVILLE...DUNCAN...PAULS VALLEY...
SULPHUR...ADA...WALTERS...WAURIKA...ARDMORE...TISHOMINGO...
MARIETTA...MADILL...CROWELL...VERNON...WICHITA FALLS...MUNDAY...
KNOX CITY...SEYMOUR...ARCHER CITY...HOLLIDAY...LAKESIDE CITY...
HENRIETTA
349 PM CDT WED MAY 1 2013

...FREEZE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A FREEZE
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING. 

* TEMPERATURE: GENERALLY 30 TO 32 DEGREES...BELOW FREEZING
  TEMPERATURES MAY PERSIST 2 TO 3 HOURS IN FROST-PRONE AREAS.

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN.

&&

$$

OKZ004>010-012-013-019-020-025-020500-
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-GARFIELD-NOBLE-
LOGAN-PAYNE-OKLAHOMA-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
PONCA CITY...ARNETT...WOODWARD...ENID...PERRY...GUTHRIE...
STILLWATER...OKLAHOMA CITY
349 PM CDT WED MAY 1 2013

...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

A FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING. 

* TEMPERATURE: GENERALLY 30 TO 32 DEGREES...BELOW FREEZING
  TEMPERATURES MAY PERSIST 4 TO 5 HOURS.

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN.

&&

$$

CMS
5 follow-up statements
831 
WWUS74 KOUN 020159
NPWOUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
859 PM CDT WED MAY 1 2013

OKZ011-014>018-021>024-027-033>038-TXZ083-021200-
/O.CON.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
MAJOR-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-BECKHAM-WASHITA-
CADDO-CANADIAN-GRADY-HARMON-GREER-KIOWA-JACKSON-TILLMAN-COMANCHE-
HARDEMAN-
INCLUDING THE CITIES OF...FAIRVIEW...CHEYENNE...TALOGA...
WEATHERFORD...CLINTON...WATONGA...KINGFISHER...ELK CITY...SAYRE...
CORDELL...ANADARKO...YUKON...EL RENO...MUSTANG...CHICKASHA...
HOLLIS...MANGUM...HOBART...ALTUS...FREDERICK...LAWTON...QUANAH...
CHILLICOTHE
859 PM CDT WED MAY 1 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY. A
FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING. 

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING
  TEMPERATURES MAY PERSIST UP TO 6 HOURS THURSDAY NIGHT INTO
  FRIDAY MORNING.

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF FROST
  COULD IMPACT SENSITIVE AND TENDER VEGETATION THURSDAY NIGHT
  INTO FRIDAY MORNING.

* WINDS: SUSTAINED NORTH WINDS 25 TO 35 MPH WITH GUSTS TO 45 MPH
  CAN BE EXPECTED THROUGH THURSDAY EVENING. UNSECURED LIGHTWEIGHT
  OBJECTS WILL BE BLOWN AROUND. HIGH-PROFILE VEHICLES WILL BE
  DIFFICULT TO CONTROL ON EAST-WEST HIGHWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN. SECURE LIGHTWEIGHT
ITEMS AND EXERCISE EXTRA CAUTION WHEN DRIVING ON EAST-WEST
HIGHWAYS.

&&

$$

OKZ004>010-012-013-019-020-025-026-028>032-039>042-044>047-050-
051-TXZ084>090-021200-
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-GARFIELD-NOBLE-
LOGAN-PAYNE-OKLAHOMA-LINCOLN-MCCLAIN-CLEVELAND-POTTAWATOMIE-
SEMINOLE-HUGHES-STEPHENS-GARVIN-MURRAY-PONTOTOC-COTTON-JEFFERSON-
CARTER-JOHNSTON-LOVE-MARSHALL-FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-
ARCHER-CLAY-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
PONCA CITY...ARNETT...WOODWARD...ENID...PERRY...GUTHRIE...
STILLWATER...OKLAHOMA CITY...CHANDLER...PURCELL...NORMAN...
MOORE...SHAWNEE...SEMINOLE...HOLDENVILLE...DUNCAN...
PAULS VALLEY...SULPHUR...ADA...WALTERS...WAURIKA...ARDMORE...
TISHOMINGO...MARIETTA...MADILL...CROWELL...VERNON...
WICHITA FALLS...MUNDAY...KNOX CITY...SEYMOUR...ARCHER CITY...
HOLLIDAY...LAKESIDE CITY...HENRIETTA
859 PM CDT WED MAY 1 2013

...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

A FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING. 

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING
  TEMPERATURES MAY PERSIST UP TO 6 HOURS THURSDAY NIGHT INTO
  FRIDAY MORNING.

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF FROST
  COULD IMPACT SENSITIVE AND TENDER VEGETATION THURSDAY NIGHT
  INTO FRIDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN.

&&

$$

MBS
631 
WWUS74 KOUN 020259
NPWOUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
959 PM CDT WED MAY 1 2013

OKZ004>010-012-013-019-020-025-026-028>032-039>042-044>047-050-
051-TXZ084>090-021200-
/O.EXA.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-GARFIELD-NOBLE-
LOGAN-PAYNE-OKLAHOMA-LINCOLN-MCCLAIN-CLEVELAND-POTTAWATOMIE-
SEMINOLE-HUGHES-STEPHENS-GARVIN-MURRAY-PONTOTOC-COTTON-JEFFERSON-
CARTER-JOHNSTON-LOVE-MARSHALL-FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-
ARCHER-CLAY-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
PONCA CITY...ARNETT...WOODWARD...ENID...PERRY...GUTHRIE...
STILLWATER...OKLAHOMA CITY...CHANDLER...PURCELL...NORMAN...
MOORE...SHAWNEE...SEMINOLE...HOLDENVILLE...DUNCAN...
PAULS VALLEY...SULPHUR...ADA...WALTERS...WAURIKA...ARDMORE...
TISHOMINGO...MARIETTA...MADILL...CROWELL...VERNON...
WICHITA FALLS...MUNDAY...KNOX CITY...SEYMOUR...ARCHER CITY...
HOLLIDAY...LAKESIDE CITY...HENRIETTA
959 PM CDT WED MAY 1 2013

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THURSDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THURSDAY. A FREEZE
WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING. 

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING 
  TEMPERATURES MAY PERSIST UP TO 6 HOURS THURSDAY NIGHT INTO 
  FRIDAY MORNING. 

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION THURSDAY 
  NIGHT INTO FRIDAY MORNING. 

* WINDS: SUSTAINED NORTH WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH
  CAN BE EXPECTED THROUGH THURSDAY EVENING. UNSECURED LIGHTWEIGHT
  OBJECTS WILL BE BLOWN AROUND. HIGH-PROFILE VEHICLES WILL BE
  DIFFICULT TO CONTROL ON EAST-WEST HIGHWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN. SECURE LIGHTWEIGHT
ITEMS AND EXERCISE EXTRA CAUTION WHEN DRIVING ON EAST-WEST
HIGHWAYS.

&&

$$

OKZ043-048-052-021200-
/O.EXA.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
COAL-ATOKA-BRYAN-
INCLUDING THE CITIES OF...COALGATE...ATOKA...DURANT
959 PM CDT WED MAY 1 2013

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 PM CDT THURSDAY. 

* WINDS: SUSTAINED NORTH WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH
  CAN BE EXPECTED THROUGH THURSDAY EVENING WITH THE STRONGEST
  WINDS THURSDAY AFTERNOON. UNSECURED LIGHTWEIGHT OBJECTS WILL BE
  BLOWN AROUND. HIGH-PROFILE VEHICLES WILL BE DIFFICULT TO
  CONTROL ON EAST-WEST HIGHWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SECURE LIGHTWEIGHT ITEMS AND EXERCISE EXTRA CAUTION WHEN DRIVING
ON EAST-WEST HIGHWAYS.

&&

$$

OKZ011-014>018-021>024-027-033>038-TXZ083-021200-
/O.CON.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
MAJOR-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-BECKHAM-WASHITA-
CADDO-CANADIAN-GRADY-HARMON-GREER-KIOWA-JACKSON-TILLMAN-COMANCHE-
HARDEMAN-
INCLUDING THE CITIES OF...FAIRVIEW...CHEYENNE...TALOGA...
WEATHERFORD...CLINTON...WATONGA...KINGFISHER...ELK CITY...SAYRE...
CORDELL...ANADARKO...YUKON...EL RENO...MUSTANG...CHICKASHA...
HOLLIS...MANGUM...HOBART...ALTUS...FREDERICK...LAWTON...QUANAH...
CHILLICOTHE
959 PM CDT WED MAY 1 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THURSDAY. A
FREEZE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING. 

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING 
  TEMPERATURES MAY PERSIST UP TO 6 HOURS THURSDAY NIGHT INTO 
  FRIDAY MORNING. 

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION THURSDAY 
  NIGHT INTO FRIDAY MORNING. 

* WINDS: SUSTAINED NORTH WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH
  CAN BE EXPECTED THROUGH THURSDAY EVENING. UNSECURED LIGHTWEIGHT
  OBJECTS WILL BE BLOWN AROUND. HIGH-PROFILE VEHICLES WILL BE
  DIFFICULT TO CONTROL ON EAST-WEST HIGHWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN. SECURE LIGHTWEIGHT
ITEMS AND EXERCISE EXTRA CAUTION WHEN DRIVING ON EAST-WEST
HIGHWAYS.

&&

$$
102 
WWUS74 KOUN 020925
NPWOUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
425 AM CDT THU MAY 2 2013

OKZ004>042-044>047-050-051-TXZ083>090-021730-
/O.CON.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
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-COTTON-JEFFERSON-
CARTER-JOHNSTON-LOVE-MARSHALL-HARDEMAN-FOARD-WILBARGER-WICHITA-
KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
PONCA CITY...ARNETT...WOODWARD...FAIRVIEW...ENID...PERRY...
CHEYENNE...TALOGA...WEATHERFORD...CLINTON...WATONGA...
KINGFISHER...GUTHRIE...STILLWATER...ELK CITY...SAYRE...CORDELL...
ANADARKO...YUKON...EL RENO...MUSTANG...OKLAHOMA CITY...CHANDLER...
CHICKASHA...PURCELL...NORMAN...MOORE...SHAWNEE...SEMINOLE...
HOLDENVILLE...HOLLIS...MANGUM...HOBART...ALTUS...FREDERICK...
LAWTON...DUNCAN...PAULS VALLEY...SULPHUR...ADA...WALTERS...
WAURIKA...ARDMORE...TISHOMINGO...MARIETTA...MADILL...QUANAH...
CHILLICOTHE...CROWELL...VERNON...WICHITA FALLS...MUNDAY...
KNOX CITY...SEYMOUR...ARCHER CITY...HOLLIDAY...LAKESIDE CITY...
HENRIETTA
425 AM CDT THU MAY 2 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A
FREEZE WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING. 

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING 
  TEMPERATURES MAY PERSIST UP TO 6 HOURS THURSDAY NIGHT INTO 
  FRIDAY MORNING. 

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION THURSDAY 
  NIGHT INTO FRIDAY MORNING. 

* WINDS: SUSTAINED NORTH WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH 
  CAN BE EXPECTED THROUGH THURSDAY EVENING. UNSECURED 
  LIGHTWEIGHT OBJECTS WILL BE BLOWN AROUND. HIGH-PROFILE 
  VEHICLES WILL BE DIFFICULT TO CONTROL ON EAST-WEST HIGHWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN. SECURE LIGHTWEIGHT
ITEMS AND EXERCISE EXTRA CAUTION WHEN DRIVING ON EAST-WEST
HIGHWAYS.

&&

$$

OKZ043-048-052-021730-
/O.CON.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
COAL-ATOKA-BRYAN-
INCLUDING THE CITIES OF...COALGATE...ATOKA...DURANT
425 AM CDT THU MAY 2 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* WINDS: SUSTAINED NORTH WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH 
  CAN BE EXPECTED THROUGH THURSDAY EVENING WITH THE STRONGEST 
  WINDS THURSDAY AFTERNOON. UNSECURED LIGHTWEIGHT OBJECTS WILL 
  BE BLOWN AROUND. HIGH-PROFILE VEHICLES WILL BE DIFFICULT TO 
  CONTROL ON EAST-WEST HIGHWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SECURE LIGHTWEIGHT ITEMS AND EXERCISE EXTRA CAUTION WHEN DRIVING
ON EAST-WEST HIGHWAYS.

&&

$$

KURTZ
571 
WWUS74 KOUN 021534
NPWOUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
1034 AM CDT THU MAY 2 2013

OKZ031-032-042-047-051-022345-
/O.CAN.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
SEMINOLE-HUGHES-PONTOTOC-JOHNSTON-MARSHALL-
INCLUDING THE CITIES OF...SEMINOLE...HOLDENVILLE...ADA...
TISHOMINGO...MADILL
1034 AM CDT THU MAY 2 2013

...FREEZE WATCH REMAINS IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY MORNING...
...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS CANCELLED THE WIND
ADVISORY. GUSTY NORTHWEST WINDS OF 20 TO 25 MPH CAN STILL BE
EXPECTED...BUT CONDITIONS WILL NOT REACH ADVISORY CRITERIA. A
FREEZE WATCH REMAINS IN EFFECT FROM 10 PM CDT THIS EVENING THROUGH
FRIDAY MORNING.

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING
  TEMPERATURES MAY PERSIST UP TO 2 HOURS EARLY FRIDAY MORNING.

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF FROST
  COULD IMPACT SENSITIVE AND TENDER VEGETATION EARLY FRIDAY
  MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE SENSITIVE PLANTS INDOORS OR COVER THEM IF YOU CAN TO PROTECT
THEM FROM FREEZING TEMPERATURES.

&&

$$

OKZ043-048-052-021645-
/O.CAN.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
COAL-ATOKA-BRYAN-
INCLUDING THE CITIES OF...COALGATE...ATOKA...DURANT
1034 AM CDT THU MAY 2 2013

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS CANCELLED THE WIND
ADVISORY. GUSTY NORTH WINDS OF 20 TO 25 MPH CAN STILL BE EXPECTED
LATE THIS AFTERNOON AND EVENING...BUT ADVISORY LEVEL WINDS ARE NOT
ANTICIPATED.

$$

OKZ004>030-033>041-044>046-050-TXZ083>090-022345-
/O.CON.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
/O.CON.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
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-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-COTTON-JEFFERSON-CARTER-LOVE-
HARDEMAN-FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
PONCA CITY...ARNETT...WOODWARD...FAIRVIEW...ENID...PERRY...
CHEYENNE...TALOGA...WEATHERFORD...CLINTON...WATONGA...
KINGFISHER...GUTHRIE...STILLWATER...ELK CITY...SAYRE...CORDELL...
ANADARKO...YUKON...EL RENO...MUSTANG...OKLAHOMA CITY...CHANDLER...
CHICKASHA...PURCELL...NORMAN...MOORE...SHAWNEE...HOLLIS...
MANGUM...HOBART...ALTUS...FREDERICK...LAWTON...DUNCAN...
PAULS VALLEY...SULPHUR...WALTERS...WAURIKA...ARDMORE...MARIETTA...
QUANAH...CHILLICOTHE...CROWELL...VERNON...WICHITA FALLS...
MUNDAY...KNOX CITY...SEYMOUR...ARCHER CITY...HOLLIDAY...
LAKESIDE CITY...HENRIETTA
1034 AM CDT THU MAY 2 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...FREEZE WATCH REMAINS IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY MORNING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. A
FREEZE WATCH REMAINS IN EFFECT FROM 10 PM CDT THIS EVENING
THROUGH FRIDAY MORNING. 

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING 
  TEMPERATURES MAY PERSIST UP TO 6 HOURS THURSDAY NIGHT INTO 
  FRIDAY MORNING. 

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION THURSDAY 
  NIGHT INTO FRIDAY MORNING. 

* WINDS: SUSTAINED NORTH WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH 
  CAN BE EXPECTED THROUGH THURSDAY EVENING. UNSECURED 
  LIGHTWEIGHT OBJECTS WILL BE BLOWN AROUND. HIGH-PROFILE 
  VEHICLES WILL BE DIFFICULT TO CONTROL ON EAST-WEST HIGHWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN. SECURE LIGHTWEIGHT
ITEMS AND EXERCISE CAUTION WHEN DRIVING ON EAST-WEST HIGHWAYS.

&&

$$
581 
WWUS74 KOUN 022058
NPWOUN

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
358 PM CDT THU MAY 2 2013

OKZ004>030-033>041-044>046-050-TXZ083>090-030500-
/O.UPG.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
/O.NEW.KOUN.FZ.W.0005.130503T0300Z-130503T1500Z/
/O.CON.KOUN.WI.Y.0010.000000T0000Z-130503T0000Z/
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-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-COTTON-JEFFERSON-CARTER-LOVE-
HARDEMAN-FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF...BUFFALO...ALVA...CHEROKEE...MEDFORD...
PONCA CITY...ARNETT...WOODWARD...FAIRVIEW...ENID...PERRY...
CHEYENNE...TALOGA...WEATHERFORD...CLINTON...WATONGA...
KINGFISHER...GUTHRIE...STILLWATER...ELK CITY...SAYRE...CORDELL...
ANADARKO...YUKON...EL RENO...MUSTANG...OKLAHOMA CITY...CHANDLER...
CHICKASHA...PURCELL...NORMAN...MOORE...SHAWNEE...HOLLIS...
MANGUM...HOBART...ALTUS...FREDERICK...LAWTON...DUNCAN...
PAULS VALLEY...SULPHUR...WALTERS...WAURIKA...ARDMORE...MARIETTA...
QUANAH...CHILLICOTHE...CROWELL...VERNON...WICHITA FALLS...
MUNDAY...KNOX CITY...SEYMOUR...ARCHER CITY...HOLLIDAY...
LAKESIDE CITY...HENRIETTA
358 PM CDT THU MAY 2 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM CDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM CDT
FRIDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. A WIND ADVISORY
REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING. 

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING 
  TEMPERATURES MAY PERSIST UP TO 6 HOURS THURSDAY NIGHT INTO 
  FRIDAY MORNING. 

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION THURSDAY 
  NIGHT INTO FRIDAY MORNING. 

* WINDS: SUSTAINED NORTH WINDS 25 TO 35 MPH WITH GUSTS TO 50 MPH 
  CAN BE EXPECTED THROUGH THURSDAY EVENING. UNSECURED 
  LIGHTWEIGHT OBJECTS WILL BE BLOWN AROUND. HIGH-PROFILE 
  VEHICLES WILL BE DIFFICULT TO CONTROL ON EAST-WEST HIGHWAYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THINK ABOUT HOW YOU WILL PROTECT SENSITIVE PLANTS FROM THE COLD...
MOVE THEM INDOORS OR COVER THEM IF YOU CAN. SECURE LIGHTWEIGHT
ITEMS AND EXERCISE CAUTION WHEN DRIVING ON EAST-WEST HIGHWAYS.

&&


PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE SENSITIVE PLANTS INDOORS TO AVOID DAMAGE FROM FREEZING
TEMPERATURES.

BE CAREFUL IF YOU HAVE TO TRAVEL OR IF YOU ARE WORKING OR PLAYING
OUTSIDE.

&&

$$

OKZ031-032-042-047-051-030500-
/O.UPG.KOUN.FZ.A.0002.130503T0300Z-130503T1500Z/
/O.NEW.KOUN.FZ.W.0005.130503T0300Z-130503T1500Z/
SEMINOLE-HUGHES-PONTOTOC-JOHNSTON-MARSHALL-
INCLUDING THE CITIES OF...SEMINOLE...HOLDENVILLE...ADA...
TISHOMINGO...MADILL
358 PM CDT THU MAY 2 2013

...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 AM CDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM CDT
FRIDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. 

* TEMPERATURE: GENERALLY 28 TO 32 DEGREES...BELOW FREEZING 
  TEMPERATURES MAY PERSIST UP TO 2 HOURS EARLY FRIDAY MORNING. 

* IMPACTS: FREEZING OR SUBFREEZING TEMPERATURES AND AREAS OF 
  FROST COULD IMPACT SENSITIVE AND TENDER VEGETATION EARLY 
  FRIDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE SENSITIVE PLANTS INDOORS OR COVER THEM IF YOU CAN TO PROTECT
THEM FROM FREEZING TEMPERATURES.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE SENSITIVE PLANTS INDOORS TO AVOID DAMAGE FROM FREEZING
TEMPERATURES.

&&

$$

CMS

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at May 1, 3:35 PM CDT, 14 minutes earlier.

Area forecast discussion, May 1, 3:35 PM CDT, 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
335 PM CDT WED MAY 1 2013

.DISCUSSION...
YET ANOTHER STRONG COLD FRONT IS WORKING ITS WAY SOUTHEAST ACROSS
OKLAHOMA AND WEST/NORTH TEXAS THIS AFTERNOON. AT 330 PM...IT
EXTENDED FROM NEAR BLACKWELL TO WATONGA TO HOBART TO QUANAH IN OUR
FORECAST AREA. THIS FRONT WILL CONTINUE ITS CURRENT MOTION...AND
WILL MARK THE BOUNDARY BETWEEN VERY MILD/WARM WEATHER TO ITS
SOUTHEAST...AND VERY COOL WEATHER...AT LEAST FOR MAY...TO ITS
NORTHWEST. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ALONG
THE FRONT...AND BEHIND IT...THROUGH THE EVENING. RAIN WILL BE
LIKELY OVERNIGHT AND TOMORROW MORNING...ALONG WITH MIXED
PRECIPITATION IN NORTHERN OKLAHOMA EARLY THURSDAY. NO ACCUMULATION
OF SNOW OR SLEET IS EXPECTED...AT LEAST NOT ON THE GROUND.

TEMPERATURES TOMORROW WILL BE VERY MUCH COOLER THAN TODAY FOR
MOST OF OUR FORECAST AREA. TOMORROW NIGHT INTO FRIDAY
MORNING...WE MAY SEE RECORD LOW TEMPERATURES SET FOR THE ENTIRE
MONTH OF MAY ACROSS THE REGION. THE MAY RECORD AT OKLAHOMA CITY IS
32 DEGREES F...WHICH IS THE SAME AS THE CURRENT FORECAST FOR
FRIDAY MORNING. WICHITA FALLS HAS ONLY REACHED 36 DEGREES F IN
MAY...AND THIS FORECAST CALLS FOR ABOUT 32 DEGREES ON FRIDAY
MORNING. THE FREEZE WATCH FOR FRIDAY MORNING WILL BE EXPANDED
SIGNIFICANTLY...TO ACCOUNT FOR THE OVERALL LOWER TEMPERATURE
FORECAST THIS CYCLE.

MODELS SUGGEST THAT THE DEPARTING STORM SYSTEM WILL NOT GET VERY
FAR...AND ITS EFFECTS MAY BE FELT ACROSS MUCH OF OUR FORECAST AREA
INTO EARLY NEXT WEEK. THIS WOULD BE IN THE FORM OF A CONTINUING
NORTH BREEZE...COOL TEMPERATURES...AND EXTRA CLOUD COVER. A FEW
SHOWERS MAY ALSO OCCUR AT TIMES. CONFIDENCE IN SPECIFICS BEYOND
THE WEEKEND IS QUITE LOW...HOWEVER...DUE TO CONTINUING LARGE
VARIANCES IN MODEL GUIDANCE.

WIND SPEEDS BEHIND THE FRONT THIS EVENING AND INTO TOMORROW WILL
BE MARGINAL FOR A WIND ADVISORY ACROSS APPROXIMATELY THE SOUTHWEST
1/3 OF OUR FORECAST AREA. A WIND ADVISORY WILL BE ISSUED WITH THIS
FORECAST...IN THE AREA MOST LIKELY TO MEET ADVISORY CRITERIA.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  39  42  32  52 /  60  60  40  10
HOBART OK         36  45  31  57 /  60  60  20  10
WICHITA FALLS TX  41  44  32  60 /  50  50  30  10
GAGE OK           34  46  31  55 /  80  70  10  10
PONCA CITY OK     39  42  33  49 /  60  80  50  30
DURANT OK         50  52  35  55 /  40  50  50  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...FREEZE WATCH FROM THURSDAY EVENING THROUGH FRIDAY MORNING FOR
     OKZ004>042-044>047-050-051.

     WIND ADVISORY FROM 7 PM THIS EVENING TO 7 PM CDT THURSDAY FOR
     OKZ011-014>018-021>024-027-033>038.

TX...FREEZE WATCH FROM THURSDAY EVENING THROUGH FRIDAY MORNING FOR
     TXZ083>090.

     WIND ADVISORY FROM 7 PM THIS EVENING TO 7 PM CDT THURSDAY FOR
     TXZ083.

&&

84/23
Hazardous weather outlook, May 1, 11:55 AM CDT, 3 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE NORMAN OK
1155 AM CDT WED MAY 1 2013

OKZ004>048-050>052-TXZ083>090-021200-
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-
1155 AM CDT WED MAY 1 2013

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 THIS AFTERNOON
AND EVENING OVER PARTS OF EXTREME SOUTHWEST OKLAHOMA AND WESTERN
NORTH TEXAS.

LOCATION...
THE SLIGHT RISK AREA IS ALONG AND SOUTH OF A LINE FROM HOLLIS...
TO FREDERICK...TO GRANDFIELD IN SOUTHWEST OKLAHOMA...AND INCLUDES
ALL OF WESTERN NORTH TEXAS.

TIMING...
THE MOST LIKELY TIME FOR SEVERE THUNDERSTORMS WILL BE FROM 4 PM
THIS AFTERNOON THROUGH 10 PM TONIGHT.

IMPACTS...
THE PRIMARY HAZARD WILL BE HAIL TO THE SIZE OF GOLFBALLS AND WIND
GUSTS TO 65 MPH. DOWNED TREES AND POWER LINES CAN BE EXPECTED WITH
THESE WINDS...AS WELL AS MINOR DAMAGE TO ROOFS AND VEHICLES FROM
LARGE HAIL.

RECOMMENDED ACTIONS...
STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL ACROSS THE
RISK AREA SHOULD MONITOR THE WEATHER SITUATION CLOSELY AND PREPARE
FOR SEVERE WEATHER OPERATIONS IF NEED BE.

DISCUSSION... A COLD FRONT WILL CONTINUE TO PUSH SOUTHWARD INTO THE
BODY OF OKLAHOMA AND WESTERN NORTH TEXAS THROUGH TONIGHT. INSTABILITY
WILL INCREASE DURING THE DAY AS TEMPERATURES WARM INTO THE 70S AND 80S
AHEAD OF THE FRONT.  SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP
ALONG THE FRONT DURING THE LATE AFTERNOON AND EVENING AS IT PUSHES
SOUTHWARD. A FEW SEVERE STORMS WILL BE POSSIBLE...MAINLY OVER FAR
SOUTHWEST OKLAHOMA AND WESTERN NORTH TEXAS WHERE A BETTER COMBINATION
OF DAYTIME HEATING AND ASSOCIATED INSTABILITY IS EXPECTED. UP TO GOLF
BALL SIZED HAIL AND DAMAGING WINDS WILL BE THE MAIN THREATS WITH ANY
SEVERE STORMS.

THIS EVENING AND OVERNIGHT...AS THE LOW LEVEL JET INCREASES AND BRINGS
MOISTURE AND MARGINAL INSTABILITY UP AND OVER THE FRONT...WIDESPREAD
SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP. WHILE THERE
WILL BE A CONDITIONAL THREAT FOR SMALL HAIL WITH THE STRONGER STORMS...
SEVERE STORMS WILL BECOME LESS LIKELY AFTER 10 PM.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT THURSDAY MAY 2.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...60 PERCENT.

OTHER HAZARDOUS WEATHER...
STRONG NORTH WINDS ARE EXPECTED TODAY IN WESTERN OKLAHOMA AND OVER
MUCH OF THE AREA TONIGHT BEHIND A STRONG COLD FRONT. A WIND ADVISORY
WILL LIKELY BE NEEDED FOR PORTIONS OF OKLAHOMA AND NORTH TEXAS LATER
TODAY.

A WINTRY MIX OF RAIN...SLEET AND SNOW IS EXPECTED TO DEVELOP OVER
PARTS OF NORTHWEST OKLAHOMA LATE TONIGHT. LITTLE OR NO TRAVEL IMPACTS
ARE ANTICIPATED...THOUGH SOME SNOW AND SLEET ACCUMULATION MAY OCCUR ON
ELEVATED SURFACES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

THUNDERSTORM OUTLOOK...
ISOLATED THUNDERSTORMS WILL BE POSSIBLE ON SATURDAY WITH A BETTER
CHANCE FOR THUNDERSTORMS MONDAY NIGHT AND TUESDAY. WIDESPREAD SEVERE
WEATHER IS NOT EXPECTED.

OTHER HAZARDOUS WEATHER...
A WINTRY MIX OF PRECIPITATION IS EXPECTED OVER PARTS OF NORTHWEST
AND NORTH CENTRAL OKLAHOMA THURSDAY MORNING. SOME LIGHT ACCUMULATION MAY
OCCUR ON ELEVATED SURFACES...BUT NO MAJOR IMPACTS TO TRAVEL ARE EXPECTED.
A FREEZE WATCH IS IN EFFECT FOR MUCH OF NORTHERN AND CENTRAL OKLAHOMA THURSDAY
NIGHT AND FRIDAY MORNING. THIS MAY NEED TO BE UPGRADED TO A FREEZE WARNING IN
FUTURE OUTLOOKS.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY 5 AM THURSDAY...
WITH UPDATES AS NEEDED.

AUSTIN

In the hours before

Special weather statement, May 1, 3:04 PM CDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
304 PM CDT WED MAY 1 2013

OKZ022-035-012030-
KIOWA OK-WASHITA OK-
304 PM CDT WED MAY 1 2013

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL KIOWA AND
SOUTHEASTERN WASHITA COUNTIES UNTIL 330 PM CDT...

AT 302 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES EAST OF
HOBART...MOVING NORTHEAST AT 20 MPH.

HAZARDS INCLUDE...
HAIL UP TO ONE-HALF INCH DIAMETER...
WIND GUSTS TO 40 MPH...

LAT...LON 3516 9911 3516 9872 3493 9896 3496 9911
TIME...MOT...LOC 2002Z 208DEG 19KT 3500 9902

30
Special weather statement, May 1, 3:28 PM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
328 PM CDT WED MAY 1 2013

OKZ022-035-012100-
KIOWA OK-WASHITA OK-
328 PM CDT WED MAY 1 2013

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL KIOWA AND
SOUTHEASTERN WASHITA COUNTIES UNTIL 400 PM CDT...

AT 318 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES WEST OF
GOTEBO...MOVING NORTHEAST AT 20 MPH.

HAZARDS INCLUDE...
HAIL UP TO THE SIZE OF NICKELS...
WIND GUSTS TO 40 MPH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3518 9905 3518 9874 3491 9895 3495 9911
TIME...MOT...LOC 2018Z 208DEG 19KT 3506 9896

30

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 4:08 AM CDTFreeze WatchOUNAlfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 39 more36 hr
May 1, 3:04 PM CDTSpecial Weather StatementOUNKiowa26 min
May 1, 3:28 PM CDTSpecial Weather StatementOUNKiowa32 min
May 1, 3:39 PM CDTSevere Thunderstorm WarningOUNKiowa51 min
May 1, 3:59 PM CDTSevere Thunderstorm WarningOUNKiowa31 min
May 1, 4:28 PM CDTSevere Thunderstorm WarningOUNComanche, Kiowa47 min
May 1, 4:37 PM CDTSpecial Weather StatementOUNTillman23 min
May 1, 5:00 PM CDTSevere Thunderstorm WarningOUNTillman45 min
May 1, 5:15 PM CDTSevere Thunderstorm WarningOUNComanche45 min
May 1, 5:44 PM CDTSevere Thunderstorm WarningOUNTillman31 min
May 1, 6:48 PM CDTSpecial Weather StatementOUNPayne27 min
May 1, 5:25 PM CDTSpecial Weather StatementOUNWilbarger35 min
May 1, 5:28 PM CDTSevere Thunderstorm WarningOUNWichita, Wilbarger47 min
May 1, 6:01 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor, Wichita, Wilbarger44 min
May 1, 6:37 PM CDTSevere Thunderstorm WarningOUNArcher, Baylor, Wichita53 min

Nearby

Wind Advisories in Oklahoma, 2013Wind Advisories in Texas, 2013Every wind advisory in 2013

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.