Alert archive / Texas / Tornado Watches in 2006
Tornado Watch 80
The Storm Prediction Center issued this tornado watch at Mar 12, 2006, 11:53 PM CST for 7 counties in Arkansas; Choctaw County, McCurtain County, Pushmataha County, Oklahoma; 18 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 12, 2006, 11:53 PM CST (05:53 UTC)
- Expired
- Mar 13, 2006, 5:48 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Howard County, AR, Little River County, AR, Miller County, AR, Montgomery County, AR, Pike County, AR, Polk County, AR, Sevier County, AR, Choctaw County, OK, McCurtain County, OK, Pushmataha County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Collin County, TX, Dallas County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Tarrant County, TX, Titus County, TX
The radar
The Western Arkansas radar (KSRX), 158 km from the middle of the area, began a volume at 05:56 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 12:58 AM CST | Severe Thunderstorm Warning | TSA | Pushmataha | 77 min |
| Mar 13, 1:10 AM CST | Severe Thunderstorm Warning | FWD | Collin | 52 min |
| Mar 13, 1:51 AM CST | Severe Thunderstorm Warning | SHV | McCurtain | 39 min |
| Mar 13, 2:43 AM CST | Severe Thunderstorm Warning | LZK | Polk | 47 min |
| Mar 13, 3:03 AM CST | Severe Thunderstorm Warning | SHV | Red River | 57 min |
| Mar 13, 3:52 AM CST | Severe Thunderstorm Warning | LZK | Garland, Montgomery, Perry | 38 min |
| Mar 13, 4:15 AM CST | Severe Thunderstorm Warning | SHV | Bowie | 60 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
Shreveport, LA (KSHV), launched 00:00Z, 5.9 hours before the alert went out and 220 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
- 1660 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1281 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 130551
SEL0
SPC WW 130551
ARZ000-OKZ000-TXZ000-131200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 80
NWS STORM PREDICTION CENTER NORMAN OK
1155 PM CST SUN MAR 12 2006
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHWEST ARKANSAS
SOUTHEAST OKLAHOMA
NORTHEAST TEXAS
EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1155 PM UNTIL
600 AM CST.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES NORTH OF DE QUEEN ARKANSAS
TO 60 MILES EAST OF DALLAS TEXAS. FOR A COMPLETE DEPICTION OF THE
WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).
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...CONTINUE...WW 76...WW 77...WW 78...WW
79...
DISCUSSION...LINE OF STRONG/SEVERE THUNDERSTORMS IS DEVELOPING ALONG
APPROACHING COLD FRONT. STORMS WILL LIKELY CONTINUE TO INTENSIFY AS
THEY SPREAD INTO WESTERN AR. LARGE HAIL AND DAMAGING WINDS WILL BE
POSSIBLE WITH STRONGER STORMS. LOCAL VAD/PROFILER DATA ALSO SHOW
VERY FAVORABLE LOW LEVEL SHEAR PROFILES FOR ISOLATED TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 25035.
...HARTSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 9:13 PM CST | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Crawford, Franklin, Johnson and 4 more | 62 min |
| Mar 12, 9:34 PM CST | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Conway, Crawford and 17 more | 7 hr |
| Mar 12, 11:30 PM CST | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 8 more | 2 hr |
| Mar 13, 2:44 AM CST | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Clay, Cleburne and 35 more | 91 min |
| Mar 13, 3:13 AM CST | Tornado Watch | SPC | Arkansas, Bradley, Calhoun, Clark, Clay, Cleburne and 37 more | 7 hr |
| Mar 13, 6:08 AM CST | Mesoscale Discussion | SPC | Crittenden, Mississippi, Poinsett | 97 min |
| Mar 13, 9:02 AM CST | Mesoscale Discussion | SPC | Arkansas, Ashley, Chicot, Crittenden, Cross, Desha and 8 more | 58 min |
| Mar 12, 6:21 PM CST | Mesoscale Discussion | SPC | Cherokee, Craig, Creek, Delaware, McIntosh, Mayes and 8 more | 114 min |
| Mar 12, 8:45 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Coal, Garvin, Jefferson and 5 more | 3 hr |
Nearby
Tornado Watches in Texas, 2006Tornado Watches in Arkansas, 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.