Alert archive / Texas / Tornado Watches in 2005
Tornado Watch 60
The Storm Prediction Center issued this tornado watch at Mar 22, 2005, 12:50 AM CST for De Soto Parish, Sabine Parish, Louisiana; 33 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 22, 2005, 12:50 AM CST (06:50 UTC)
- Expired
- Mar 22, 2005, 6:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 35 counties
De Soto Parish, LA, Sabine Parish, LA, Anderson County, TX, Angelina County, TX, Austin County, TX, Brazos County, TX, Chambers County, TX, Cherokee County, TX, Freestone County, TX, Grimes County, TX, Hardin County, TX, Harris County, TX, Henderson County, TX, Houston County, TX, Jasper County, TX, Jefferson County, TX, Leon County, TX, Liberty County, TX, Madison County, TX, Montgomery County, TX, Nacogdoches County, TX, Newton County, TX, Orange County, TX, Panola County, TX, Polk County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Trinity County, TX, Tyler County, TX, Walker County, TX, Waller County, TX, Washington County, TX
The radar
The Houston radar (KHGX), 133 km from the middle of the area, began a volume at 06:50 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
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 1:17 AM CST | Severe Thunderstorm Warning | HGX | Trinity | 28 min |
| Mar 22, 1:26 AM CST | Severe Thunderstorm Warning | SHV | Nacogdoches | 64 min |
| Mar 22, 1:44 AM CST | Severe Thunderstorm Warning | SHV | San Augustine | 61 min |
| Mar 22, 1:46 AM CST | Severe Thunderstorm Warning | HGX | Polk, Trinity | 44 min |
| Mar 22, 2:04 AM CST | Severe Thunderstorm Warning | HGX | San Jacinto | 26 min |
| Mar 22, 2:17 AM CST | Severe Thunderstorm Warning | SHV | Sabine | 58 min |
| Mar 22, 2:19 AM CST | Severe Thunderstorm Warning | SHV | Sabine | 56 min |
| Mar 22, 2:20 AM CST | Severe Thunderstorm Warning | LCH | Tyler | 25 min |
| Mar 22, 2:34 AM CST | Severe Thunderstorm Warning | HGX | Polk | 41 min |
| Mar 22, 2:51 AM CST | Severe Thunderstorm Warning | LCH | Jasper, Tyler | 45 min |
| Mar 22, 3:04 AM CST | Severe Thunderstorm Warning | HGX | Harris, Montgomery | 33 min |
| Mar 22, 3:21 AM CST | Severe Thunderstorm Warning | HGX | Liberty | 54 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 6.8 hours before the alert went out and 208 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
- 1017 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 252 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 220650
SEL0
SPC WW 220650
LAZ000-TXZ000-221200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 60
NWS STORM PREDICTION CENTER NORMAN OK
1250 AM CST TUE MAR 22 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
A SMALL PART OF NORTHWEST LOUISIANA
SOUTHEASTERN TEXAS
EFFECTIVE THIS TUESDAY MORNING FROM 1250 AM 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 80 STATUTE MILES
EAST AND WEST OF A LINE FROM 75 MILES NORTH OF LUFKIN TEXAS TO 75
MILES WEST SOUTHWEST OF PORT ARTHUR 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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 57. WATCH NUMBER 57 WILL NOT BE IN EFFECT AFTER 1250
AM CST. CONTINUE...WW 58...WW 59...
DISCUSSION...SEVERE THUNDERSTORMS ONGOING IN SERN TX WILL LIKELY
CONTINUE A GENERAL EWD MOTION TOWARDS WRN LA OVER THE NEXT FEW
HOURS. LARGE HAIL AND DAMAGING WINDS MAY ACCOMPANY STRONGER
STORMS...THOUGH VERY STRONG SHEAR PROFILES WILL SUPPORT A TORNADO
THREAT NEARER THE RICHER GULF MOISTURE ACROSS SERN TX.
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 27030.
...EVANS
321,0932 293,0935 293,0963 321,0960SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 8:29 PM CST | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, De Soto, Lincoln and 4 more | 91 min |
| Mar 21, 9:20 PM CST | Tornado Watch | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 15 more | 7 hr |
| Mar 21, 11:09 PM CST | Mesoscale Discussion | SPC | Bossier, Caddo, De Soto | 96 min |
| Mar 21, 11:26 PM CST | Mesoscale Discussion | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, Franklin and 14 more | 94 min |
| Mar 22, 1:45 AM CST | Tornado Watch | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 14 more | 6 hr |
| Mar 22, 3:00 AM CST | Tornado Watch | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 13 more | 5 hr |
| Mar 22, 3:43 AM CST | Mesoscale Discussion | SPC | De Soto, Sabine | 2 hr |
| Mar 22, 3:57 AM CST | Mesoscale Discussion | SPC | Bienville, Caldwell, Catahoula, Claiborne, Concordia, East Carroll and 14 more | 2 hr |
| Mar 22, 5:59 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Calcasieu, Cameron, East Baton Rouge and 14 more | 2 hr |
| Mar 22, 6:55 AM CST | Tornado Watch | SPC | Saint Tammany, Washington | 6 hr |
Nearby
Tornado Watches in Texas, 2005Tornado Watches in Louisiana, 2005Every tornado watch in 2005
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.