Alert archive / Texas / Tornado Watches in 2006
Tornado Watch 45
The Storm Prediction Center issued this tornado watch at Mar 8, 2006, 11:42 PM CST for 20 counties in Oklahoma; 23 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 8, 2006, 11:42 PM CST (05:42 UTC)
- Expired
- Mar 9, 2006, 6:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 43 counties
Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Love County, OK, Marshall County, OK, McCurtain County, OK, Murray County, OK, Pontotoc County, OK, Pushmataha County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Camp County, TX, Clay County, TX, Collin County, TX, Cooke County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Lamar County, TX, Montague County, TX, Morris County, TX, Red River County, TX, Titus County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX
The radar
The Norman radar (KTLX), 103 km from the middle of the area, began a volume at 05:42 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.
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 11:44 PM CST | Severe Thunderstorm Warning | OUN | Carter, Murray | 46 min |
| Mar 8, 11:58 PM CST | Severe Thunderstorm Warning | OUN | Pontotoc | 62 min |
| Mar 8, 11:59 PM CST | Tornado Warning | OUN | Love | 46 min |
| Mar 9, 12:01 AM CST | Severe Thunderstorm Warning | FWD | Cooke | 20 min |
| Mar 9, 12:23 AM CST | Tornado Warning | OUN | Carter, Johnston, Marshall | 52 min |
| Mar 9, 12:39 AM CST | Severe Thunderstorm Warning | OUN | Coal | 51 min |
| Mar 9, 12:58 AM CST | Severe Thunderstorm Warning | OUN | Atoka | 38 min |
| Mar 9, 1:17 AM CST | Severe Thunderstorm Warning | TSA | Haskell, Latimer, Muskogee | 73 min |
| Mar 9, 1:20 AM CST | Severe Thunderstorm Warning | OUN | Jefferson | 23 min |
| Mar 9, 1:22 AM CST | Severe Thunderstorm Warning | SHV | Red River | 38 min |
| Mar 9, 1:28 AM CST | Severe Thunderstorm Warning | SHV | McCurtain | 62 min |
| Mar 9, 1:32 AM CST | Severe Thunderstorm Warning | SHV | Franklin, Titus | 58 min |
| Mar 9, 1:37 AM CST | Severe Thunderstorm Warning | OUN | Carter, Murray | 38 min |
| Mar 9, 1:40 AM CST | Severe Thunderstorm Warning | TSA | Adair, Cherokee, LeFlore, Sequoyah | 61 min |
| Mar 9, 2:06 AM CST | Tornado Warning | TSA | LeFlore | 32 min |
| Mar 9, 4:15 AM CST | Severe Thunderstorm Warning | TSA | LeFlore, Sequoyah | 35 min |
| Mar 9, 5:24 AM CST | Severe Thunderstorm Warning | FWD | Hopkins | 51 min |
| Mar 9, 5:56 AM CST | Severe Thunderstorm Warning | SHV | McCurtain | 64 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 5.7 hours before the alert went out and 88 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
- 727 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1304 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 090541
SEL5
SPC WW 090541
OKZ000-TXZ000-091200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 45
NWS STORM PREDICTION CENTER NORMAN OK
1140 PM CST WED MAR 8 2006
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHERN OKLAHOMA
NORTHERN TEXAS
EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1140 PM
UNTIL 600 AM CST.
TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 120 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF ARDMORE
OKLAHOMA TO 45 MILES WEST SOUTHWEST OF SHERMAN TEXAS. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 42. WATCH NUMBER 42 WILL NOT BE IN EFFECT AFTER 1140
PM CST. CONTINUE...WW 43...WW 44...
DISCUSSION...VERTICAL SHEAR PROFILES CONTINUE TO IMPROVE ACROSS AREA
AS MID/UPPER LEVEL TROUGH MOVES INTO WRN TX CAUSING LOWER LEVEL
WINDS TO BACK. VERY STRONG DEEP LAYER SHEAR OF 60-70 KT WITH MUCAPE
TO 1000 J/KG HAS CREATED ENVIRONMENT FOR TORNADOES AND LARGE HAIL.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 25035.
...MCCARTHYSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 8:22 PM CST | Mesoscale Discussion | SPC | Alfalfa, Atoka, Blaine, Bryan, Caddo, Canadian and 49 more | 53 min |
| Mar 8, 8:26 PM CST | Severe Thunderstorm Watch | SPC | Caddo, Canadian, Cleveland, Creek, Garfield, Grady and 24 more | 5 hr |
| Mar 8, 10:51 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Comanche and 11 more | 24 min |
| Mar 8, 11:44 PM CST | Mesoscale Discussion | SPC | Caddo, Canadian, Cleveland, Creek, Garfield, Grady and 24 more | 91 min |
| Mar 9, 1:14 AM CST | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Craig, Creek, Delaware, Haskell and 16 more | 6 hr |
| Mar 9, 1:57 AM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Haskell and 14 more | 63 min |
| Mar 9, 5:48 AM CST | Tornado Watch | SPC | McCurtain | 6 hr |
| Mar 9, 6:10 AM CST | Mesoscale Discussion | SPC | Adair, Cherokee, Haskell, Latimer, LeFlore, Sequoyah | 95 min |
| Mar 9, 10:34 AM CST | Mesoscale Discussion | SPC | Adair, Cherokee, Delaware, LeFlore, McCurtain, Ottawa and 1 more | 116 min |
| Mar 9, 12:30 PM CST | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Haskell, Latimer, LeFlore, Muskogee and 2 more | 6 hr |
| Mar 8, 11:02 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 32 more | 88 min |
| Mar 8, 11:25 PM CST | Tornado Watch | SPC | Anderson, Bastrop, Bell, Bexar, Blanco, Burnet and 31 more | 7 hr |
| Mar 9, 1:36 AM CST | Tornado Watch | SPC | Bowie, Cass | 5 hr |
| Mar 9, 5:14 AM CST | Mesoscale Discussion | SPC | Angelina, Hardin, Harrison, Houston, Jasper, Jefferson and 14 more | 91 min |
| Mar 9, 11:05 AM CST | Mesoscale Discussion | SPC | Orange | 85 min |
Nearby
Tornado Watches in Texas, 2006Tornado Watches in Oklahoma, 2006Every tornado watch in 2006
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.