Alert archive / Oklahoma / Special Weather Statements in 2011
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Jul 29, 2011, 7:46 PM CDT for Tulsa County, Oklahoma. It was in force for 29 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, 7:46 PM CDT (00:46 UTC)
- Expired
- Jul 29, 2011, 8:15 PM CDT
- In force
- 29 min
- Issued by
- NWS Tulsa, OK
County Tulsa County, OK
The radar
The Tulsa radar (KINX), 49 km from the middle of the area, began a volume at 00:48 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 00:00Z, 0.8 hours before the alert went out and 142 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
- 239 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 2905 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 17 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, 6:12 PM CDT, 1 hour 34 minutes earlier.
Area forecast discussion, Jul 29, 6:12 PM CDT, 1 hour 34 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
612 PM CDT FRI JUL 29 2011
.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM.
ISOLATED THUNDERSTORMS WILL CONTINUE FOR AN HOUR OR TWO AFTER
ISSUE TIME...HOWEVER LOW PROBABILITY OF IMPACTING ANY TAF SITE.
THUNDERSTORMS ASSOCIATED WITH FRONTAL BOUNDARY IN KANSAS SHOULD
REMAIN NORTH OF THE BORDER OVERNIGHT...HOWEVER THERE IS A SMALL
CHANCE OF DEVELOPMENT EARLY SATURDAY MORNING NEAR THE KS/OK
BORDER. BETTER OVERALL CHANCE OF ANY THUNDERSTORMS WILL BE WITH
ISOLATED TO WIDELY SCATTERED DIURNAL ACTIVITY WITH SLIGHTLY MORE
COVERAGE OVER WESTERN ARKANSAS.
&&
.PREV DISCUSSION... /ISSUED 301 PM CDT FRI JUL 29 2011/
DISCUSSION...
SEMI PERMANENT HIGH PRESSURE ALOFT SEEMS TO HAVE INHABITED THE
REGION FOR THE SUMMER. THIS IS EXPECTED TO CONTINUE AT LEAST OVER
THE NEXT 7 DAYS. IN FACT... WE WILL BE SITUATED CLOSE TO THE CENTER
OF THE DOME OF HIGH PRESSURE... WHICH WILL MEAN VERY LITTLE AIR
MOVEMENT. THIS WILL PROVIDE LITTLE OPPORTUNITY FOR DAY TO DAY CHANGE
IN CONDITIONS.
THE BEST CHANCES FOR PRECIPITATION CONTINUE TO BE THIS AFTERNOON AND
AGAIN TOMORROW AFTERNOON. AT MOST... ONLY SCATTERED COVERAGE OF SHOWERS
AND THUNDERSTORMS IS EXPECTED. SLOW STORM MOVEMENT WILL AT LEAST
AID THOSE AREAS LUCKY ENOUGH TO EXPERIENCE A SHOWER TO MAXIMIZE
THE EFFECTS.
HIGH PRESSURE IS EXPECTED TO STRENGTHEN AFTER SATURDAY...
SQUELCHING RAIN CHANCES FOR THE REMAINDER OF THE FORECAST
PERIOD... AND CONTINUING THE WIDESPREAD HOT AND DRY CONDITIONS.
&&
.TSA WATCHES/WARNINGS/ADVISORIES...
OK...EXCESSIVE HEAT WARNING UNTIL 9 PM SUNDAY FOR OKZ049-OKZ053-
OKZ054-OKZ055-OKZ056-OKZ057-OKZ058-OKZ059-OKZ060-OKZ061-
OKZ062-OKZ063-OKZ064-OKZ065-OKZ066-OKZ067-OKZ068-OKZ070-
OKZ071-OKZ072-OKZ073-OKZ074-OKZ075-OKZ076.
EXCESSIVE HEAT WATCH FROM NOON MONDAY TO 9 PM THURSDAY FOR
OKZ049-OKZ053-OKZ054-OKZ055-OKZ056-OKZ057-OKZ058-OKZ059-
OKZ060-OKZ061-OKZ062-OKZ063-OKZ064-OKZ065-OKZ066-OKZ067-
OKZ068-OKZ070-OKZ071-OKZ072-OKZ073-OKZ074-OKZ075-OKZ076.
HEAT ADVISORY UNTIL 9 PM SUNDAY FOR OKZ069.
AR...HEAT ADVISORY UNTIL 9 PM SUNDAY FOR ARZ001-ARZ002-ARZ010-ARZ011.
EXCESSIVE HEAT WARNING UNTIL 9 PM SUNDAY FOR ARZ019-ARZ020-
ARZ029.
EXCESSIVE HEAT WATCH FROM NOON MONDAY TO 9 PM THURSDAY FOR
ARZ019-ARZ020-ARZ029.
&&
AVIATION...14Hazardous weather outlook, Jul 29, 5:00 PM CDT, 2 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
500 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-
500 PM CDT FRI JUL 29 2011
THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.
.DAY ONE...TONIGHT.
SEVERE THUNDERSTORM.
RISK...LIMITED.
AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...ONGOING.
DANGEROUS HEAT.
RISK...SIGNIFICANT.
AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
ONSET...ONGOING.
AREA AT GREATEST RISK...URBAN AREAS.
FIRE WEATHER DANGER.
RISK...LIMITED.
AREA...EASTERN OKLAHOMA.
ONSET...ONGOING.
DISCUSSION...
ISOLATED STRONG THUNDERSTORMS WILL CONTINUE ACROSS EASTERN OKLAHOMA
AND NORTHWEST ARKANSAS THROUGH EARLY EVENING. A FEW OF THESE
STORMS COULD APPROACH SEVERE LIMITS WITH DAMAGING DOWNBURST
WINDS. OTHERWISE...WARM CONDITIONS WILL PERSIST OVERNIGHT WITH
LOWS ONLY FALLING INTO THE UPPER 70S TO LOWER 80S...ESPECIALLY
IN URBAN AREAS.
DROUGHT CONDITIONS OVER MUCH OF THE AREA HAVE RESULTED IN CURED
VEGETATION...WHICH IGNITES VERY EASILY. EASTERN OKLAHOMA WILL BE
MOST VULNERABLE FOR FIRES THROUGH EARLY EVENING AS RELATIVE HUMIDITY
VALUES REMAIN AROUND 30 PERCENT. GUSTY OUTFLOW WINDS NEAR THE
STRONGER THUNDERSTORMS WILL ALSO CAUSE AN INCREASED FIRE DANGER.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.
SATURDAY...THUNDERSTORM AND DANGEROUS HEAT POTENTIAL.
SUNDAY THROUGH 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, 5:38 PM CDT, 2 hours 8 minutes before
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</html>Special weather statement, Jul 29, 5:40 PM CDT, 2 hours 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
540 PM CDT FRI JUL 29 2011
ARZ001-292315-
BENTON AR-
540 PM CDT FRI JUL 29 2011
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 615 PM CDT
FOR THE FOLLOWING COUNTY...
IN NORTHWEST ARKANSAS
NORTHERN BENTON
AT 540 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER HIWASSE...
STATIONARY. SOME LOCATIONS THAT WILL BE AFFECTED BY THIS STORM
INCLUDE...MILLER...SULPHUR SPRINGS...GRAVETTE AND HIWASSE.
THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
LAT...LON 3647 9419 3632 9435 3646 9452 3651 9443
3650 9423
TIME...MOT...LOC 2240Z 063DEG 1KT 3645 9436Special weather statement, Jul 29, 5:41 PM CDT, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
541 PM CDT FRI JUL 29 2011
OKZ058-292315-
OTTAWA OK-
541 PM CDT FRI JUL 29 2011
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 615 PM CDT
FOR THE FOLLOWING COUNTY...
IN NORTHEAST OKLAHOMA
NORTHWESTERN OTTAWA
AT 542 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER COMMERCE...
MOVING NORTH AT 10 MPH. SOME LOCATIONS THAT WILL BE AFFECTED BY THIS
STORM INCLUDE...COMMERCE...QUAPAW...CARDIN AND PICHER.
THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
LAT...LON 3688 9478 3687 9499 3700 9501 3700 9478
3700 9477
TIME...MOT...LOC 2242Z 174DEG 7KT 3692 9489Special weather statement, Jul 29, 6:02 PM CDT, 1 hour 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
602 PM CDT FRI JUL 29 2011
OKZ073-292330-
PITTSBURG OK-
602 PM CDT FRI JUL 29 2011
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 630 PM CDT
FOR THE FOLLOWING COUNTY...
IN SOUTHEAST OKLAHOMA
SOUTHERN PITTSBURG
AT 602 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 7 MILES EAST OF
BLANCO...MOVING NORTHWEST AT 5 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...BLANCO...HAILEYVILLE...DOW AND
BACHE.
THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
LAT...LON 3475 9588 3493 9563 3477 9551 3472 9551
3462 9562
TIME...MOT...LOC 2302Z 135DEG 3KT 3474 9564Special weather statement, Jul 29, 6:21 PM CDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
621 PM CDT FRI JUL 29 2011
OKZ075-292345-
LATIMER OK-
621 PM CDT FRI JUL 29 2011
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 645 PM CDT
FOR THE FOLLOWING COUNTY...
IN SOUTHEAST OKLAHOMA
LATIMER
AT 621 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 4 MILES SOUTH OF
PANOLA...MOVING NORTHWEST AT 10 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...WILBURTON...DAMON AND PANOLA.
THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
LAT...LON 3491 9542 3504 9524 3489 9507 3475 9521
TIME...MOT...LOC 2321Z 129DEG 10KT 3487 9523Special weather statement, Jul 29, 7:46 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
746 PM CDT FRI JUL 29 2011
OKZ060-064-300115-
CREEK OK-TULSA OK-
746 PM CDT FRI JUL 29 2011
...SIGNIFICANT WEATHER ADVISORY...
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 815 PM CDT
FOR THE FOLLOWING COUNTIES...
IN NORTHEAST OKLAHOMA
EASTERN CREEK AND TULSA
AT 746 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 3 MILES NORTHWEST
OF GLENPOOL...MOVING NORTHWEST AT 5 MPH. SOME LOCATIONS THAT WILL BE
AFFECTED BY THIS STORM INCLUDE...TULSA...JENKS...GLENPOOL...KIEFER
AND SAPULPA.
THIS STORM WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH.
LAT...LON 3605 9617 3614 9606 3598 9592 3591 9608
TIME...MOT...LOC 0046Z 146DEG 4KT 3600 9603The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 7:52 PM CDT | Special Weather Statement | TSA | Okmulgee | 23 min |
| Jul 30, 1:23 PM CDT | Special Weather Statement | TSA | Osage | 22 min |
| Jul 30, 2:04 PM CDT | Special Weather Statement | TSA | Tulsa | 26 min |
| Jul 30, 3:16 PM CDT | Special Weather Statement | TSA | Tulsa | 29 min |
| Jul 30, 3:39 PM CDT | Special Weather Statement | TSA | Creek | 36 min |
| Jul 30, 4:10 PM CDT | Special Weather Statement | TSA | Creek | 50 min |
| Jul 30, 4:48 PM CDT | Special Weather Statement | TSA | Wagoner | 42 min |
| Jul 30, 4:52 PM CDT | Severe Thunderstorm Warning | TSA | Tulsa, Wagoner | 12 min |
| Jul 30, 5:15 PM CDT | Severe Thunderstorm Warning | TSA | Okmulgee, Tulsa | 11 min |
| Jul 30, 3:28 PM CDT | Special Weather Statement | TSA | Carroll | 47 min |
| Jul 30, 4:11 PM CDT | Special Weather Statement | TSA | Carroll | 34 min |
| Jul 30, 5:06 PM CDT | Special Weather Statement | TSA | Madison | 24 min |
| Jul 30, 6:13 PM CDT | Special Weather Statement | TSA | Madison | 47 min |
| Jul 30, 6:24 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 66 min |
| Jul 30, 6:42 PM CDT | Severe Thunderstorm Warning | TSA | Benton, Crawford, Franklin, Madison, Washington | 48 min |
Nearby
Special Weather Statements in Oklahoma, 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.