Alert archive / Arkansas / Special Weather Statements in 2011
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Jul 29, 2011, 2:18 PM CDT for Crawford County, Arkansas. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 29, 2011, 2:18 PM CDT (19:18 UTC)
- Expired
- Jul 29, 2011, 2:45 PM CDT
- In force
- 27 min
- Issued by
- NWS Tulsa, OK
County Crawford County, AR
The radar
The Western Arkansas radar (KSRX), 55 km from the middle of the area, began a volume at 19:19 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
Springfield, MO (KSGF), launched 12:00Z, 7.3 hours before the alert went out and 133 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
- 1783 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 887 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Jul 29, 12:36 PM CDT, 1 hour 42 minutes earlier.
Area forecast discussion, Jul 29, 12:36 PM CDT, 1 hour 42 minutes before
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</head>
<body>
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
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The site you requested is temporarily down for maintenance or an unexpected outage.
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</html>Hazardous weather outlook, Jul 29, 1:06 PM CDT, 1 hour 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 106 PM CDT FRI JUL 29 2011 ARZ001-002-010-011-019-020-029-OKZ049-053>076-301000- ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK- CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK- LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK- OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK- PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK- WASHINGTON OK-WASHINGTON AR- 100 PM CDT FRI JUL 29 2011 THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS MUCH OF EASTERN OKLAHOMA. .DAY ONE...TODAY AND TONIGHT. SEVERE THUNDERSTORM. RISK...LIMITED. AREA...SOUTHEAST OKLAHOMA WEST CENTRAL AND NORTHWEST ARKANSAS. ONSET...MID AFTERNOON. DANGEROUS HEAT. RISK...SIGNIFICANT. AREA...EASTERN OKLAHOMA AND WEST CENTRAL AND NORTHWEST ARKANSAS. ONSET...ONGOING. AREA AT GREATEST RISK...URBAN AREAS. FIRE WEATHER DANGER. RISK...LIMITED. AREA...EASTERN OKLAHOMA. ONSET...ONGOING. DISCUSSION... HEAT WILL PERSIST TODAY AS AN UPPER LEVEL RIDGE PREVAILS. HIGH TEMPERATURES THIS AFTERNOON WILL BE IN THE 95 TO 105 RANGE WITH HEAT INDEX VALUES FROM AROUND 100 TO 110 DEGREES. THE ONLY RELIEF FROM THE HEAT WILL BE SCATTERED SHOWERS AND THUNDERSTORMS. THOSE WILL BE MOST NUMEROUS OVER SOUTHEAST OKLAHOMA AND WEST CENTRAL AND NORTHWEST ARKANSAS THIS AFTERNOON INTO EARLY EVENING. A FEW ISOLATED STORMS MAY HAVE THE POTENTIAL TO GENERATE 70 MPH DOWNBURST WINDS. DROUGHT CONDITIONS OVER MUCH OF THE AREA HAVE RESULTED IN CURED VEGETATION...WHICH IGNITES VERY EASILY. AREAS OF EASTERN OKLAHOMA ALONG AND NORTH OF I-44 WILL BE MOST VULNERABLE FOR FIRES THIS AFTERNOON AND EARLY EVENING AS RELATIVE HUMIDITY VALUES SINK TO NEAR 20 PERCENT AND SOUTHEAST WINDS REACH 10 TO 15 MPH. SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT... LOCAL SPOTTER ACTIVATION MAY BE NEEDED. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. SATURDAY...THUNDERSTORM POTENTIAL...DANGEROUS HEAT POTENTIAL. SUNDAY...DANGEROUS HEAT POTENTIAL. MONDAY...DANGEROUS HEAT POTENTIAL. TUESDAY...DANGEROUS HEAT POTENTIAL. WEDNESDAY...DANGEROUS HEAT POTENTIAL. THURSDAY...DANGEROUS HEAT POTENTIAL. EXTENDED DISCUSSION... THE HEAT WAVE WILL CONTINUE INTO NEXT WEEK AS THE UPPER LEVEL RIDGE LINGERS OVER THE PLAINS. CURRENT INDICATIONS ARE THAT NEXT WEEK WILL BE AS HOT...IF NOT HOTTER...THAN THE PAST FEW DAYS. THE ONLY RELIEF FROM THE HEAT WILL BE ISOLATED AFTERNOON AND EVENING THUNDERSTORMS OVER THE WEEKEND. WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.
In the hours before
Special weather statement, Jul 29, 2:18 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
218 PM CDT FRI JUL 29 2011
ARZ010-019-OKZ069-291945-
ADAIR OK-CRAWFORD AR-WASHINGTON AR-
218 PM CDT FRI JUL 29 2011
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 245 PM CDT
FOR THE FOLLOWING COUNTIES...
IN NORTHWEST ARKANSAS
NORTHWESTERN CRAWFORD AND SOUTHWESTERN WASHINGTON
IN NORTHEAST OKLAHOMA
SOUTHEASTERN ADAIR
AT 218 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES EAST OF
ODELL...MOVING SOUTH AT 5 MPH. SOME LOCATIONS THAT WILL BE AFFECTED
BY THIS STORM INCLUDE...ODELL...BLACKBURN...STRICKLER...MORROW...
CLYDE...CANEHILL...NATURAL DAM...LEE CREEK AND DEVILS DEN STATE PARK.
THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE THE SIGNIFICANT
WEATHER ADVISORY IS UPGRADED TO A WARNING.
LAT...LON 3583 9414 3559 9434 3574 9459 3592 9441
TIME...MOT...LOC 1918Z 013DEG 3KT 3578 9436The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 4:06 AM CDT | Excessive Heat Watch | TSA | Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more | 11 days |
| Jul 29, 3:23 PM CDT | Special Weather Statement | TSA | Nowata | 37 min |
| Jul 29, 3:25 PM CDT | Special Weather Statement | TSA | Washington | 35 min |
| Jul 29, 3:26 PM CDT | Special Weather Statement | TSA | Mayes | 34 min |
| Jul 29, 3:50 PM CDT | Special Weather Statement | TSA | Washington | 25 min |
| Jul 29, 4:21 PM CDT | Special Weather Statement | TSA | Cherokee | 24 min |
| Jul 29, 4:33 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes | 42 min |
| Jul 29, 5:05 PM CDT | Special Weather Statement | TSA | Delaware | 25 min |
| Jul 29, 5:17 PM CDT | Special Weather Statement | TSA | Rogers | 28 min |
| Jul 29, 5:23 PM CDT | Special Weather Statement | TSA | LeFlore | 67 min |
| Jul 29, 5:38 PM CDT | Special Weather Statement | TSA | Cherokee | 52 min |
| Jul 29, 5:41 PM CDT | Special Weather Statement | TSA | Ottawa | 34 min |
| Jul 29, 6:02 PM CDT | Special Weather Statement | TSA | Pittsburg | 28 min |
| Jul 29, 6:21 PM CDT | Special Weather Statement | TSA | Latimer | 24 min |
| Jul 29, 5:14 PM CDT | Special Weather Statement | TSA | Johnson | 31 min |
| Jul 29, 5:40 PM CDT | Special Weather Statement | TSA | Benton | 35 min |
Nearby
Special Weather Statements in Arkansas, 2011Every special weather statement in 2011
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.