Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 252, NWS Tulsa, OK

May 16, 2009Latimer County, McIntosh County, Pittsburg County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 16, 2009, 12:46 AM CDT for Latimer County, McIntosh County, Pittsburg County, Oklahoma. It was in force for 44 min. 1 report 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: May 16, 2009, 12:46 AM CDT (05:46 UTC)
Expired: May 16, 2009, 1:30 AM CDT
In force: 44 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Latimer County, OK, McIntosh County, OK, Pittsburg County, OK

The radar

The Tulsa radar (KINX), 128 km from the middle of the area, began a volume at 05:49 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
May 16, 1:03 AM CDT	HAIL 0.75	3 Nw Bengal, OK	TIME ESTIMATED VIA RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 5.8 hours before the alert went out and 145 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: 2577 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 1117 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 160546
SVRTSA
OKC077-091-121-160630-
/O.NEW.KTSA.SV.W.0252.090516T0546Z-090516T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1246 AM CDT SAT MAY 16 2009

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LATIMER COUNTY IN SOUTHEAST OKLAHOMA
  SOUTHWESTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA
  NORTHERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 130 AM CDT

* AT 1246 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL
  AND WINDS TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES NORTHEAST OF YANUSH TO SCIPIO...MOVING
  NORTHEAST AT 20 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...KREBS...
  SCIPIO...DAMON...WILBURTON...BLOCKER...CANADIAN...INDIANOLA...
  CROWDER...HANNA AND RED OAK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3509 9607 3513 9601 3515 9601 3516 9599
      3529 9599 3530 9598 3493 9503 3469 9524
      3469 9530 3495 9609 3501 9609
TIME...MOT...LOC 0546Z 225DEG 17KT 3474 9522 3503 9605

$$

2 follow-up statements

000 
WWUS54 KTSA 160559
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1259 AM CDT SAT MAY 16 2009

OKC077-091-121-160630-
/O.CON.KTSA.SV.W.0252.000000T0000Z-090516T0630Z/
MCINTOSH OK-PITTSBURG OK-LATIMER OK-
1259 AM CDT SAT MAY 16 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR LATIMER...NORTHERN PITTSBURG AND SOUTHWESTERN MCINTOSH
COUNTIES...

AT 1258 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY
SIZE HAIL AND WINDS TO 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 9 MILES SOUTHEAST OF DAMON TO SCIPIO...MOVING
NORTHEAST AT 20 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...DAMON...
WILBURTON...PANOLA...BLOCKER...INDIANOLA...CROWDER...FEATHERSTON...
VERNON AND HANNA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3509 9607 3513 9601 3515 9601 3516 9599
      3529 9599 3530 9598 3493 9503 3469 9524
      3469 9530 3495 9609 3501 9609
TIME...MOT...LOC 0559Z 225DEG 17KT 3479 9518 3508 9601

$$

000 
WWUS54 KTSA 160616
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
116 AM CDT SAT MAY 16 2009

OKC077-091-121-160630-
/O.CON.KTSA.SV.W.0252.000000T0000Z-090516T0630Z/
MCINTOSH OK-PITTSBURG OK-LATIMER OK-
116 AM CDT SAT MAY 16 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR LATIMER...NORTHERN PITTSBURG AND SOUTHWESTERN MCINTOSH
COUNTIES...

AT 113 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A BROKEN LINE OF STRONG TO SEVERE THUNDERSTORMS CAPABLE OF 
PRODUCING PENNY TO QUARTER SIZE HAIL AND WINDS TO 60 MPH. THESE 
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 10 MILES EAST OF 
PANOLA TO SCIPIO...MOVING NORTHEAST AT 25 MPH.

THE STRONGEST STORM WAS LOCATED OVER EASTERN LATIMER COUNTY...NEAR 
BENGAL AND REDOAK. THIS STORM COULD PRODUCE QUARTER SIZE HAIL. 

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BLOCKER...
FEATHERSTON...VERNON...CROWDER...INDIANOLA AND HANNA.

IF THE PRESENT TREND CONTINUES...THE WARNING WILL LIKELY BE ISSUED 
AGAIN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3509 9607 3513 9601 3515 9601 3516 9599
      3529 9599 3530 9598 3493 9503 3469 9524
      3469 9530 3495 9609 3501 9609
TIME...MOT...LOC 0614Z 221DEG 20KT 3497 9503 3507 9588

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 7:42 PM CDT	Special Weather Statement	TSA	Pawnee	78 min
May 15, 8:02 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	58 min
May 15, 8:33 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Nowata, Osage, Pawnee, Washington	72 min
May 15, 9:03 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Creek, Mayes, Nowata, Okfuskee, Okmulgee and 7 more	72 min
May 15, 10:05 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Craig, Creek, Delaware, Mayes, Muskogee and 5 more	70 min
May 15, 10:48 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Craig, Delaware, Mayes, Muskogee and 5 more	72 min
May 15, 11:57 PM CDT	Severe Thunderstorm Warning	TSA	Adair	63 min
May 16, 12:10 AM CDT	Special Weather Statement	TSA	Haskell, Pittsburg, Sequoyah	50 min
May 16, 12:22 AM CDT	Special Weather Statement	TSA	LeFlore	53 min
May 16, 12:26 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, LeFlore	49 min
May 16, 12:57 AM CDT	Severe Thunderstorm Warning	TSA	Latimer, Pittsburg, Pushmataha	63 min
May 16, 1:09 AM CDT	Severe Thunderstorm Warning	TSA	LeFlore	66 min
May 16, 1:18 AM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore	42 min
May 16, 2:21 AM CDT	Areal Flood Advisory	TSA	Latimer, LeFlore	54 min
May 16, 2:21 AM CDT	Special Weather Statement	TSA	LeFlore	24 min
May 16, 2:35 AM CDT	Special Weather Statement	TSA	Choctaw	25 min
May 16, 2:39 AM CDT	Special Weather Statement	TSA	LeFlore	36 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2009 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.