Alert archive / Texas / Tornado Warnings in 2010
Tornado Warning 21, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Apr 23, 2010, 8:42 PM CDT for Cherokee County, Rusk County, Texas. It was in force for 48 min. 1 report 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
- Apr 23, 2010, 8:42 PM CDT (01:42 UTC)
- Expired
- Apr 23, 2010, 9:30 PM CDT
- In force
- 48 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
Counties Cherokee County, TX, Rusk County, TX
The radar
The Shreveport radar (KSHV), 116 km from the middle of the area, began a volume at 01:44 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 |
|---|---|---|---|
| Apr 23, 8:50 PM CDT | HAIL 0.88 | New Summerfield, TX | NICKLE SIZE HAIL REPORTED IN THE TOWN OF NEW SUMMERFIELD TEXAS. |
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 |
|---|---|---|---|
| Apr 23, 5:41 PM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 1.7 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.
- Mixed-layer CAPE
- 2092 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 810 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 8.6
The text
As transmitted, in the capitals the NWS used until 2016.
747 WFUS54 KSHV 240142 TORSHV TXC073-401-240230- /O.NEW.KSHV.TO.W.0021.100424T0142Z-100424T0230Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 842 PM CDT FRI APR 23 2010 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A * TORNADO WARNING FOR... NORTHERN CHEROKEE COUNTY IN NORTHEAST TEXAS... THIS INCLUDES THE CITY OF JACKSONVILLE... SOUTHWESTERN RUSK COUNTY IN NORTHEAST TEXAS... THIS INCLUDES THE CITY OF HENDERSON... * UNTIL 930 PM CDT * AT 842 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 3 MILES NORTHWEST OF GALLATIN...OR 6 MILES SOUTHEAST OF JACKSONVILLE...MOVING NORTHEAST AT 35 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NEW SALEM... PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER TO PING PONG BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3220 9481 3194 9468 3179 9523 3203 9532 TIME...MOT...LOC 0142Z 245DEG 31KT 3191 9516 $$ 15
1 follow-up statement
056 WWUS54 KSHV 240217 SVSSHV SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 917 PM CDT FRI APR 23 2010 TXC073-240225- /O.CAN.KSHV.TO.W.0021.000000T0000Z-100424T0230Z/ CHEROKEE TX- 917 PM CDT FRI APR 23 2010 ...THE TORNADO WARNING FOR CHEROKEE COUNTY IS CANCELLED... THE SEVERE THUNDERSTORM THAT PROMPTED THE EARLIER TORNADO WARNING HAS MOVED EAST OUT OF CHEROKEE COUNTY. THUS...THE TORNADO WARNING HAS BEEN CANCELLED. LAT...LON 3193 9498 3213 9499 3220 9481 3194 9468 TIME...MOT...LOC 0215Z 245DEG 31KT 3203 9486 $$ TXC401-240230- /O.CON.KSHV.TO.W.0021.000000T0000Z-100424T0230Z/ RUSK TX- 917 PM CDT FRI APR 23 2010 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 930 PM CDT FOR RUSK COUNTY... AT 915 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO TRACK A TORNADO. THIS TORNADO WAS LOCATED 5 MILES NORTHEAST OF NEW SALEM...OR 15 MILES SOUTHWEST OF HENDERSON...MOVING NORTHEAST AT 35 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LANEVILLE PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3193 9498 3213 9499 3220 9481 3194 9468 TIME...MOT...LOC 0215Z 245DEG 31KT 3203 9486 $$ 15
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 7:30 PM CDT | Tornado Warning | SHV | Cass | 45 min |
| Apr 23, 8:32 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Rusk | 58 min |
| Apr 23, 8:47 PM CDT | Severe Thunderstorm Warning | SHV | Angelina, Cherokee, Nacogdoches | 40 min |
| Apr 24, 1:57 AM CDT | Severe Thunderstorm Warning | SHV | Smith, Wood | 63 min |
| Apr 24, 2:27 AM CDT | Tornado Warning | SHV | Wood | 19 min |
| Apr 24, 2:41 AM CDT | Severe Thunderstorm Warning | SHV | Camp, Franklin, Gregg, Morris, Titus, Upshur | 49 min |
| Apr 24, 3:06 AM CDT | Lake Wind Advisory | SHV | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 18 hr |
| Apr 24, 3:14 AM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass, Harrison, Marion, Red River | 46 min |
| Apr 24, 7:43 AM CDT | Severe Thunderstorm Warning | SHV | Sabine | 47 min |
Nearby
Tornado Warnings in Texas, 2010Every tornado warning in 2010Tornadoes in 2010
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.