Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 9, NWS Tulsa, OK

January 7, 2008McIntosh County, Okfuskee County, Okmulgee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jan 7, 2008, 9:58 PM CST for McIntosh County, Okfuskee County, Okmulgee County, Oklahoma. It was in force for 62 min. 3 reports 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: Jan 7, 2008, 9:58 PM CST (03:58 UTC)
Expired: Jan 7, 2008, 11:00 PM CST
In force: 62 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties McIntosh County, OK, Okfuskee County, OK, Okmulgee County, OK

The radar

The Tulsa radar (KINX), 85 km from the middle of the area, began a volume at 03:58 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
Jan 7, 10:00 PM CST	TSTM WND DMG	2 Se Morris, OK	SIX POWER POLES BLOWN DOWN. ALSO FUNNEL CLOUD SEEN TWICE ABOUT 4 MILES EAST SOUTHEAST OF MORRIS AROUND 945 PM.
Jan 7, 10:15 PM CST	TSTM WND GST 65	9 W Clearview, OK
Jan 7, 11:10 PM CST	TSTM WND DMG	Morris, OK	PORCH ROOF BLOWN OFF HOME.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this severe thunderstorm warning; the first came 2 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 7, 7:48 PM CST	Tornado Watch PDS	SPC	9 hr
Jan 7, 8:55 PM CST	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 4.0 hours before the alert went out and 125 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: 122 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 1742 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 080358
SVRTSA
OKC091-107-111-080500-
/O.NEW.KTSA.SV.W.0009.080108T0358Z-080108T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
958 PM CST MON JAN 7 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  OKFUSKEE COUNTY IN EAST CENTRAL OKLAHOMA
  OKMULGEE COUNTY IN NORTHEAST OKLAHOMA
  WESTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 1100 PM CST

* AT 954 PM CST...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 WILSON TO BEARDEN...MOVING NORTHEAST AT 55 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...HOFFMAN...
  CASTLE...OKEMAH...MORRIS...OKMULGEE...OKFUSKEE...BEGGS...PRESTON
  AND BALD HILL.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 214 AND 248.

A TORNADO WATCH IS IN EFFECT FOR PORTIONS OF THE WARNED AREA. 
TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE 
NEAR THE PATH OF THIS STORM...BE ALERT FOR RAPIDLY CHANGING WEATHER 
CONDITIONS. TAKE COVER ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND 
STAY AWAY FROM WINDOWS.

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

LAT...LON 3586 9578 3541 9583 3516 9597 3517 9600
      3528 9601 3528 9644 3547 9645 3565 9626
      3565 9618 3573 9618 3585 9605
TIME...MOT...LOC 0358Z 227DEG 50KT 3558 9600 3536 9632

$$

1 follow-up statement

000 
WWUS54 KTSA 080446
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1046 PM CST MON JAN 7 2008

OKC091-080456-
/O.CAN.KTSA.SV.W.0009.000000T0000Z-080108T0500Z/
MCINTOSH OK-
1046 PM CST MON JAN 7 2008

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN MCINTOSH COUNTY IS
CANCELLED...

LAT...LON 3586 9578 3550 9583 3534 9605 3528 9643
      3547 9645 3565 9626 3565 9618 3573 9618
      3585 9605
TIME...MOT...LOC 0446Z 224DEG 45KT 3550 9608

$$

OKC107-111-080500-
/O.CON.KTSA.SV.W.0009.000000T0000Z-080108T0500Z/
OKMULGEE OK-OKFUSKEE OK-
1046 PM CST MON JAN 7 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CST
FOR EASTERN OKFUSKEE AND OKMULGEE COUNTIES...

AT 1045 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL
AND WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR WILSON...MOVING
NORTHEAST AT 50 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...WILSON...
DEWAR...SCHULTER...GRAYSON...OKMULGEE...HECTORVILLE...BALD HILL...
BEGGS...PRESTON AND MORRIS.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 214 AND 243.

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

LAT...LON 3586 9578 3550 9583 3534 9605 3528 9643
      3547 9645 3565 9626 3565 9618 3573 9618
      3585 9605
TIME...MOT...LOC 0446Z 224DEG 45KT 3550 9608

$$

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jan 7, 9:05 PM CST, 53 minutes earlier.

Area forecast discussion, Jan 7, 9:05 PM CST, 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
905 PM CST MON JAN 7 2008

.DISCUSSION...

THIS UPDATE REFLECTS RAISING POPS OVERNIGHT ACROSS WESTERN ZONES AND
TO REPLACE TORNADO WATCH 3 THAT EXPIRES AT 04Z WITH SEVERE
THUNDERSTORM WATCH 7 THAT RUNS UNTIL 11Z. TORNADO WATCH 5 CONTINUES
UNCHANGED UNTIL 11Z AS WELL. ADDITIONAL RAIN AND THUNDER CLOSELY
ASSOCIATED WITH THE UPPER SYSTEM AND COLD FRONT HAS INCREASED IN
AREAL COVERAGE ACROSS CENTRAL AND WESTERN SECTIONS OF OKLAHOMA.
ELSEWHERE ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS...PERSISTENT LINE OF TRAINING CELLS HAS LIFTED NORTH A
BIT OVER THE LAST HOUR OR SO. HAVE OPTED NOT TO SPLIT HAIRS OVER
THE TWO AREA OF PRECIP FOR AFTER 6Z.. EXCEPT WILL GO WITH LIKELY
INSTEAD OF CATEGORICAL OVER SE OK AND WC AR. TEMPERATURES LEFT
PRETTY MUCH AS THEY ARE(FOR NOW).

UPDATED ZFP/PFM/AFM OUT SHORTLY.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...NONE.
AR...NONE.
&&

SHORT TERM...23

Hazardous weather outlook, Jan 7, 8:40 PM CST, 1 hour 18 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
840 PM CST MON JAN 7 2008

ARZ001-002-010-011-019-020-029-OKZ049-053>076-081100-
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-
840 PM CST MON JAN 7 2008

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.
TORNADO.
	RISK...SIGNIFICANT.
	AREA...NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...ONGOING

	AREA AT GREATEST RISK...MOST OF EASTERN OKLAHOMA...NORTHWEST AND
        WEST CENTRAL ARKANSAS.

SEVERE THUNDERSTORM.
	RISK...SIGNIFICANT.
	AREA...ALL EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
        ONSET...ONGOING

	AREA AT GREATEST RISK...FAR NORTHEAST OKLAHOMA AND
        NORTHWEST AND WEST CENTRAL ARKANSAS.

FLASH FLOODING.
        RISK...ELEVATED.
	AREA...PARTS OF EASTERN OKLAHOMA AND PARTS NORTHWEST
               ARKANSAS.
        ONSET...TONIGHT

DISCUSSION...
STRONG TO SEVERE THUNDERSTORMS CONTINUE ACROSS PARTS OF EASTERN
OKLAHOMA AND NORTHWEST ARKANSAS THIS EVENING. THE UPPER SYSTEM HAS
MOVED CLOSER THE REGION...AND SURFACE WINDS HAVE BACKED THIS EVENING
IN RESPONSE TO THE APPROACHING UPPER SYSTEM AND DEVELOPING SURFACE
LOW ACROSS THE TEXAS PANHANDLE. AS A RESULT...FAST MOVING...ROTATING
SUPERCELLS HAVE CONTINUED TO TRAIN WITHIN THE INSTABILITY/MOIST
AXIS. THE INSTABILITY AXIS WILL EVENTUALLY GET PUSHED EAST LATER
TONIGHT AS THE UPPER SYSTEM MOVES ACROSS THE SOUTHERN PLAINS...WHICH
WILL PUSH A SURFACE COLD FRONT INTO NORTHEAST OKLAHOMA FROM THE
NORTHWEST. ADDITIONALLY...FLASH FLOODING FROM THESE TRAINING CELLS
OVER PARTS OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS IS A
POSSIBILITY THIS EVENING AND OVERNIGHT.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...SPOTTER
ACTIVATION WILL BE NEEDED...ESPECIALLY ACROSS FAR NORTHEAST OKLAHOMA
AND NORTHWEST ARKANSAS. STORM MOTIONS WILL LIKELY BE TOO FAST TO
TRACK INDIVIDUALLY...THEREFORE CONSTRUCT YOUR SPOTTER PLACEMENT
ACCORDINGLY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.
TUESDAY...HIGH WIND POTENTIAL.
WEDNESDAY...NO HAZARDS.
THURSDAY...NO HAZARDS.
FRIDAY...NO HAZARDS.
SATURDAY...NO HAZARDS.
SUNDAY...NO HAZARDS.

EXTENDED DISCUSSION...
GUSTY NORTHWESTERLY WINDS WILL DEVELOP ON TUESDAY IN
WAKE OF THE DEPARTING STORM SYSTEM...WITH GUSTS OF
25 TO 35 MPH BEING COMMON.  A MORE TRANQUIL WEATHER
PATTERN IS EXPECTED FOR THE REMAINDER OF THE WEEK.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL TABULAR AND GRAPHICAL
INFORMATION.

In the hours before

Local storm report, Jan 7, 8:18 PM CST, 1 hour 40 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
818 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0818 PM     HAIL             1 S SILOAM SPRINGS      36.17N 94.54W
01/07/2008  E1.00 INCH       BENTON             AR   EMERGENCY MNGR

&&

SFP

Local storm report, Jan 7, 8:20 PM CST, 1 hour 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
820 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0815 PM     TORNADO          HIWASSE                 36.43N 94.33W
01/07/2008                   BENTON             AR   EMERGENCY MNGR

&&

SFP

Local storm report, Jan 7, 8:29 PM CST, 1 hour 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
829 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0802 PM     HAIL             HIWASSE                 36.43N 94.33W
01/07/2008  E0.75 INCH       BENTON             AR   AMATEUR RADIO

0815 PM     HAIL             BELLA VISTA             36.43N 94.23W
01/07/2008  E1.75 INCH       BENTON             AR   AMATEUR RADIO

&&

SAA

Local storm report, Jan 7, 8:58 PM CST, 1 hour before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
858 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0840 PM     TSTM WND GST     WELEETKA                35.34N 96.14W
01/07/2008  E60.00 MPH       OKFUSKEE           OK   LAW ENFORCEMENT

0841 PM     HAIL             WELEETKA                35.34N 96.14W
01/07/2008  E1.00 INCH       OKFUSKEE           OK   LAW ENFORCEMENT

&&

SAA

Local storm report, Jan 7, 9:02 PM CST, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
902 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0859 PM     TORNADO          BENTONVILLE             36.37N 94.21W
01/07/2008                   BENTON             AR   EMERGENCY MNGR

            REPORTED NEAR RAINBOW CURVE

&&

SFP

Local storm report, Jan 7, 9:31 PM CST, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
931 PM CST MON JAN 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0740 PM     HAIL             TAHLEQUAH               35.92N 94.97W
01/07/2008  E2.00 INCH       CHEROKEE           OK   PUBLIC

0840 PM     HAIL             2 S PEGGS               36.05N 95.10W
01/07/2008  E0.88 INCH       CHEROKEE           OK   FIRE DEPT/RESCUE

0850 PM     FLASH FLOOD      4 SE PEGGS              36.04N 95.05W
01/07/2008                   CHEROKEE           OK   FIRE DEPT/RESCUE

            WATER RISING OVER COUNTY ROADS SOUTH AND EAST OF PEGGS

&&

SAA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 7, 6:31 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee	59 min
Jan 7, 6:38 PM CST	Severe Thunderstorm Warning	TSA	Adair, Cherokee	67 min
Jan 7, 6:57 PM CST	Tornado Warning	TSA	Cherokee	33 min
Jan 7, 7:03 PM CST	Tornado Warning	TSA	Cherokee, Muskogee	42 min
Jan 7, 7:06 PM CST	Tornado Warning	TSA	Adair, Delaware	24 min
Jan 7, 7:11 PM CST	Tornado Warning	TSA	McIntosh, Muskogee	34 min
Jan 7, 7:22 PM CST	Tornado Warning	TSA	McIntosh, Muskogee	41 min
Jan 7, 7:28 PM CST	Tornado Warning	TSA	Adair, Delaware	32 min
Jan 7, 7:35 PM CST	Tornado Warning	TSA	Adair, Cherokee	55 min
Jan 7, 7:40 PM CST	Tornado Warning	TSA	Cherokee, Muskogee	50 min
Jan 7, 7:58 PM CST	Tornado Warning	TSA	Cherokee	31 min
Jan 7, 7:59 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Delaware, Mayes, Muskogee, Wagoner	61 min
Jan 7, 8:08 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee, Rogers, Tulsa and 1 more	67 min
Jan 7, 8:09 PM CST	Tornado Warning	TSA	Adair, Delaware	66 min
Jan 7, 8:17 PM CST	Tornado Warning	TSA	Cherokee, Muskogee, Wagoner	43 min
Jan 7, 8:24 PM CST	Flash Flood Warning	TSA	Adair, Cherokee, Delaware, Muskogee, Okmulgee, Wagoner	4 hr
Jan 7, 8:54 PM CST	Tornado Warning	TSA	Adair, Cherokee, Delaware	66 min
Jan 7, 9:00 PM CST	Severe Thunderstorm Warning	TSA	Cherokee, Craig, Delaware, McIntosh, Mayes, Muskogee and 5 more	60 min
Jan 7, 9:40 PM CST	Tornado Warning	TSA	Cherokee, McIntosh, Muskogee, Okmulgee, Wagoner	65 min
Jan 7, 9:54 PM CST	Flash Flood Warning	TSA	Okfuskee, Okmulgee	3 hr
Jan 7, 9:57 PM CST	Tornado Warning	TSA	Adair, Cherokee, Delaware	63 min
Jan 7, 10:07 PM CST	Special Weather Statement	TSA	Osage, Pawnee	53 min
Jan 7, 10:45 PM CST	Tornado Warning	TSA	Adair, Cherokee, Delaware	60 min
Jan 7, 10:58 PM CST	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee	38 min
Jan 7, 11:11 PM CST	Tornado Warning	TSA	Muskogee, Okmulgee	34 min
Jan 7, 11:20 PM CST	Tornado Warning	TSA	Mayes, Rogers, Wagoner	55 min
Jan 7, 11:59 PM CST	Tornado Warning	TSA	Cherokee, Delaware, Mayes, Wagoner	61 min
Jan 8, 12:15 AM CST	Special Weather Statement	TSA	Craig, Creek, Mayes, Nowata, Okmulgee, Rogers and 3 more	30 min
Jan 8, 12:59 AM CST	Special Weather Statement	TSA	Craig, Delaware, Mayes, Nowata, Ottawa, Rogers and 2 more	61 min
Jan 8, 1:15 AM CST	Severe Thunderstorm Warning	TSA	Delaware, Mayes, Ottawa	60 min
Jan 8, 1:40 AM CST	Special Weather Statement	TSA	Adair, Cherokee, Muskogee, Okfuskee, Okmulgee, Wagoner	50 min
Jan 8, 2:11 AM CST	Flash Flood Warning	TSA	Cherokee, Delaware	3 hr
Jan 8, 2:31 AM CST	Special Weather Statement	TSA	Adair, Cherokee, Muskogee	29 min
Jan 8, 2:58 AM CST	Special Weather Statement	TSA	Adair	32 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2008 Every severe thunderstorm warning in 2008

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.