Alert archive / Oklahoma / Wind Advisories in 2009
Wind Advisory 21, NWS Norman, OK
NWS Norman, OK issued this wind advisory at May 13, 2009, 2:56 PM CDT for 9 counties in Oklahoma. It took effect at May 13, 2009, 8:00 PM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- May 13, 2009, 2:56 PM CDT (19:56 UTC)
- In effect from
- May 13, 2009, 8:00 PM CDT
- Expired
- May 14, 2009, 1:03 AM CDT
- In force
- 5 hr
- Issued by
- NWS Norman, OK
Counties Beckham County, OK, Blaine County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woodward County, OK
The radar
The Vance AFB radar (KVNX), 135 km from the middle of the area, began a volume at 20:01 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
Lamont, OK (KLMN), launched 12:00Z, 7.9 hours before the alert went out and 172 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
- 701 J/kg
- Mixed-layer CIN
- -565 J/kg
- Mixed-layer LCL
- 1492 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 329 m²/s²
- 0-3 km storm-relative helicity
- 587 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS74 KOUN 131956 NPWOUN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 256 PM CDT WED MAY 13 2009 ...STRONG NORTH WINDS BEHIND A COLD FRONT TONIGHT... A COLD FRONT WILL MOVE ACROSS NORTHERN OKLAHOMA THIS AFTERNOON AND EVENING. STRONG GUSTY WINDS WILL DEVELOP BEHIND THE FRONT AS AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE CENTRAL AND NORTHERN PLAINS. OKZ009>011-014>017-021-022-140400- /O.NEW.KOUN.WI.Y.0021.090514T0100Z-090514T0900Z/ ELLIS-WOODWARD-MAJOR-ROGER MILLS-DEWEY-CUSTER-BLAINE-BECKHAM- WASHITA- INCLUDING THE CITIES OF...ARNETT...WOODWARD...FAIRVIEW... CHEYENNE...TALOGA...WEATHERFORD...CLINTON...WATONGA...ELK CITY... SAYRE...CORDELL 256 PM CDT WED MAY 13 2009 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 4 AM CDT THURSDAY... GUSTY NORTHERLY WINDS WILL BE COMMON BEHIND A COLD FRONT THIS EVENING. WINDS SPEEDS WILL AVERAGE 25 TO 30 MPH THIS EVENING WITH FREQUENT GUSTS ABOVE 40 MPH. THE STRONG WINDS WILL GRADUALLY SUBSIDE DURING THE OVERNIGHT HOURS AS THE COLD FRONT MOVES INTO SOUTHERN OKLAHOMA AND NORTH TEXAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OVER 30 MPH... OR FREQUENT GUSTS OVER 40 MPH... ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
2 follow-up statements
000 WWUS74 KOUN 140202 NPWOUN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 902 PM CDT WED MAY 13 2009 ...STRONG NORTH WINDS BEHIND A COLD FRONT TONIGHT... A COLD FRONT WILL CONTINUE TO MOVE ACROSS OKLAHOMA TONIGHT. STRONG GUSTY WINDS WILL DEVELOP BEHIND THE FRONT AS AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE CENTRAL AND NORTHERN PLAINS. OKZ009>011-014>017-021-022-140900- /O.CON.KOUN.WI.Y.0021.000000T0000Z-090514T0900Z/ ELLIS-WOODWARD-MAJOR-ROGER MILLS-DEWEY-CUSTER-BLAINE-BECKHAM- WASHITA- INCLUDING THE CITIES OF...ARNETT...WOODWARD...FAIRVIEW... CHEYENNE...TALOGA...WEATHERFORD...CLINTON...WATONGA...ELK CITY... SAYRE...CORDELL 902 PM CDT WED MAY 13 2009 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT THURSDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM CDT THURSDAY FOR PARTS OF WESTERN OKLAHOMA. GUSTY NORTHERLY WINDS WILL BE COMMON BEHIND A COLD FRONT THIS EVENING. WINDS SPEEDS WILL AVERAGE 25 TO 30 MPH THIS EVENING WITH FREQUENT GUSTS ABOVE 40 MPH. THE STRONG WINDS WILL GRADUALLY SUBSIDE DURING THE OVERNIGHT HOURS AS THE COLD FRONT MOVES INTO SOUTHERN OKLAHOMA AND NORTH TEXAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OVER 30 MPH... OR FREQUENT GUSTS OVER 40 MPH... ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
000 WWUS74 KOUN 140603 NPWOUN URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE NORMAN OK 103 AM CDT THU MAY 14 2009 OKZ009>011-014>017-021-022-140715- /O.CAN.KOUN.WI.Y.0021.000000T0000Z-090514T0900Z/ ELLIS-WOODWARD-MAJOR-ROGER MILLS-DEWEY-CUSTER-BLAINE-BECKHAM- WASHITA- INCLUDING THE CITIES OF...ARNETT...WOODWARD...FAIRVIEW... CHEYENNE...TALOGA...WEATHERFORD...CLINTON...WATONGA...ELK CITY... SAYRE...CORDELL 103 AM CDT THU MAY 14 2009 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN NORMAN HAS CANCELLED THE WIND ADVISORY. ALTHOUGH WIND GUSTS ABOVE 30 MPH WILL STILL REMAIN POSSIBLE...WIND ADVISORY LEVEL WINDS ARE NO LONGER EXPECTED. $$
The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 8:41 PM CDT | Severe Thunderstorm Warning | OUN | Beckham | 64 min |
| May 12, 8:46 PM CDT | Severe Thunderstorm Warning | OUN | Harmon, Jackson | 59 min |
| May 12, 9:13 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Custer, Roger Mills, Washita | 62 min |
| May 12, 9:26 PM CDT | Areal Flood Advisory | OUN | Beckham, Washita | 3 hr |
| May 12, 9:31 PM CDT | Areal Flood Advisory | OUN | Jackson | 3 hr |
| May 12, 9:42 PM CDT | Severe Thunderstorm Warning | OUN | Jackson, Kiowa, Tillman | 63 min |
| May 12, 10:11 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Custer, Washita | 64 min |
| May 12, 10:27 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Cotton, Kiowa, Tillman | 63 min |
| May 13, 1:12 AM CDT | High Wind Warning | OUN | Canadian, Kingfisher, Logan, Oklahoma | 108 min |
| May 13, 11:40 AM CDT | Flash Flood Watch | OUN | Alfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 28 more | 18 hr |
| May 13, 5:52 PM CDT | Severe Thunderstorm Warning | OUN | Grant, Kay | 38 min |
| May 13, 6:08 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Dewey, Garfield, Kingfisher, Major | 52 min |
| May 13, 6:27 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 63 min |
| May 13, 6:48 PM CDT | Tornado Warning | OUN | Garfield, Grant, Kay, Noble | 42 min |
| May 13, 6:56 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Canadian, Garfield, Kingfisher, Logan, Major and 1 more | 64 min |
Nearby
Wind Advisories in Oklahoma, 2009Every wind advisory in 2009
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.