Alert archive / Oklahoma / Tornado Warnings in 2008

Tornado Warning 1, NWS Tulsa, OK

January 7, 2008Cherokee County, Oklahoma

NWS Tulsa, OK issued this tornado warning at Jan 7, 2008, 6:57 PM CST for Cherokee County, Oklahoma. It was in force for 33 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, 6:57 PM CST (00:57 UTC)
Expired: Jan 7, 2008, 7:30 PM CST
In force: 33 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Cherokee County, OK

The radar

The Tulsa radar (KINX), 62 km from the middle of the area, began a volume at 01:00 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
Jan 7, 7:00 PM CST	HAIL 1	4 N Tahlequah, OK
Jan 7, 7:38 PM CST	HAIL 0.75	4 E Tahlequah, OK
Jan 7, 7:40 PM CST	HAIL 2	Tahlequah, OK

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

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, 4:02 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.0 hours before the alert went out and 141 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: 765 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 281 m²/s²
0-3 km storm-relative helicity: 338 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 7.2

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 080057
TORTSA
OKC021-080130-
/O.NEW.KTSA.TO.W.0001.080108T0057Z-080108T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
657 PM CST MON JAN 7 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA

* UNTIL 730 PM CST

* AT 655 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES
  SOUTHWEST OF TAHLEQUAH...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...TAHLEQUAH...
  ELDON AND SCRAPER.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3614 9480 3593 9480 3584 9503 3593 9510
TIME...MOT...LOC 0057Z 225DEG 37KT 3591 9499

$$

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, 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, 9:58 PM CST	Severe Thunderstorm Warning	TSA	McIntosh, Okfuskee, Okmulgee	62 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

Tornado Warnings in Oklahoma, 2008 Every tornado warning in 2008 Tornadoes 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.