Alert archive / Texas / Tornado Warnings in 2010
Tornado Warning 21, NWS Fort Worth, TX
NWS Fort Worth, TX issued this tornado warning at May 20, 2010, 5:43 PM CDT for Anderson County, Freestone County, Navarro County, Texas. It was in force for 47 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
- May 20, 2010, 5:43 PM CDT (22:43 UTC)
- Expired
- May 20, 2010, 6:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
Counties Anderson County, TX, Freestone County, TX, Navarro County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 143 km from the middle of the area, began a volume at 22:46 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 |
|---|---|---|---|
| May 20, 5:55 PM CDT | HAIL 0.75 | 6 Ene Streetman, TX | DIME SIZE HAIL WAS REPORTED IN THE COMMUNITY OF SOUTHERN OAKS |
| May 20, 6:26 PM CDT | HAIL 1 | Tennessee Colony, T | QUARTER SIZE HAIL IN TENNESSEE COLONY. |
| May 20, 6:26 PM CDT | HAIL 1 | Tennessee Colony, TX | QUARTER SIZE HAIL IN TENNESSEE COLONY. |
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 |
|---|---|---|---|
| May 20, 11:57 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 10.7 hours before the alert went out and 159 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
- 2918 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 10.0
The text
As transmitted, in the capitals the NWS used until 2016.
779 WFUS54 KFWD 202243 TORFWD TXC001-161-349-202330- /O.NEW.KFWD.TO.W.0021.100520T2243Z-100520T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE FORT WORTH TX 543 PM CDT THU MAY 20 2010 THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A * TORNADO WARNING FOR... NORTHERN FREESTONE COUNTY IN NORTH CENTRAL TEXAS... SOUTHEASTERN NAVARRO COUNTY IN NORTH CENTRAL TEXAS... WEST CENTRAL ANDERSON COUNTY IN NORTHEAST TEXAS... * UNTIL 630 PM CDT * AT 543 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A DEVELOPING TORNADO 4 MILES NORTHEAST OF STREETMAN...MOVING EAST AT 25 MPH. * THE TORNADO WILL BE NEAR... FAIRFIELD LAKE STATE PARK AROUND 610 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO AN INTERIOR BATHROOM...CLOSET...OR HALLWAY ON THE LOWEST FLOOR OF YOUR BUILDING. COVER YOURSELF WITH BLANKETS...PILLOWS...OR A MATTRESS FOR PROTECTION. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR EASTERN TEXAS. && LAT...LON 3194 9578 3160 9589 3185 9639 3202 9632 TIME...MOT...LOC 2243Z 292DEG 23KT 3190 9625 $$
2 follow-up statements
061 WWUS54 KFWD 202315 SVSFWD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 615 PM CDT THU MAY 20 2010 TXC349-202322- /O.CAN.KFWD.TO.W.0021.000000T0000Z-100520T2330Z/ NAVARRO TX- 615 PM CDT THU MAY 20 2010 ...THE TORNADO WARNING FOR EAST CENTRAL NAVARRO COUNTY IS CANCELLED... THE STORM THAT PROMPTED THE WARNING HAS MOVED SOUTHEAST OUT OF THE COUNTY. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NAVARRO COUNTY THROUGH 7 PM CDT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR EASTERN TEXAS. LAT...LON 3160 9589 3178 9625 3199 9612 3194 9578 TIME...MOT...LOC 2312Z 286DEG 23KT 3184 9604 $$ TXC001-161-202330- /O.CON.KFWD.TO.W.0021.000000T0000Z-100520T2330Z/ ANDERSON TX-FREESTONE TX- 615 PM CDT THU MAY 20 2010 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR NORTHEASTERN FREESTONE AND WEST CENTRAL ANDERSON COUNTIES... AT 612 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A DEVELOPING TORNADO. THIS TORNADO WAS LOCATED 5 MILES NORTH OF FAIRFIELD LAKE STATE PARK...MOVING EAST AT 25 MPH. THIS STORM IS ALSO CAPABLE OF PRODUCING BASEBALL SIZED HAIL AND DESTRUCTIVE WINDS OF 70 MPH. DOPPLER RADAR CONTINUED TO INDICATE A STRONG ROTATION NEAR FAIRFIELD LAKE STATE PARK. ANYONE NEAR THE STATE PARK NEEDS TO TAKE COVER IMMEDIATELY. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOVE TO AN INTERIOR BATHROOM...CLOSET...OR HALLWAY ON THE LOWEST FLOOR OF YOUR BUILDING. COVER YOURSELF WITH BLANKETS...PILLOWS...OR A MATTRESS FOR PROTECTION. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR EASTERN TEXAS. && LAT...LON 3160 9589 3178 9625 3199 9612 3194 9578 TIME...MOT...LOC 2312Z 286DEG 23KT 3184 9604 $$
258 WWUS54 KFWD 202329 SVSFWD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 629 PM CDT THU MAY 20 2010 TXC001-161-202338- /O.EXP.KFWD.TO.W.0021.000000T0000Z-100520T2330Z/ ANDERSON TX-FREESTONE TX- 629 PM CDT THU MAY 20 2010 ...THE TORNADO WARNING FOR NORTHEASTERN FREESTONE AND WEST CENTRAL ANDERSON COUNTIES EXPIRES AT 630 PM CDT... AT 628 PM CDT THE SEVERE THUNDERSTORM THAT PROMPTED THE TORNADO NO LONGER APPEARED CAPABLE OF PRODUCING A TORNADO...THEREFORE THE TORNADO WARNING HAS EXPIRED. A SEVERE THUNDERSTORM WARNING REPLACES THIS TORNADO WARNING AND IS NOW IN EFFECT THROUGH 830 PM CDT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR EASTERN TEXAS. LAT...LON 3160 9589 3178 9625 3199 9612 3194 9578 TIME...MOT...LOC 2328Z 286DEG 23KT 3181 9592 $$
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 4:39 AM CDT | Special Weather Statement | FWD | Eastland | 36 min |
| May 20, 5:05 AM CDT | Severe Thunderstorm Warning | FWD | Eastland, Erath | 55 min |
| May 20, 5:55 AM CDT | Severe Thunderstorm Warning | FWD | Erath, Hood, Somervell | 65 min |
| May 20, 6:49 AM CDT | Severe Thunderstorm Warning | FWD | Johnson | 56 min |
| May 20, 7:53 AM CDT | Special Weather Statement | FWD | Ellis | 37 min |
| May 20, 8:54 AM CDT | Flash Flood Warning | FWD | Lamar | 111 min |
| May 20, 11:21 AM CDT | Special Weather Statement | FWD | Fannin | 24 min |
| May 20, 11:31 AM CDT | Special Weather Statement | FWD | Tarrant | 29 min |
| May 20, 12:15 PM CDT | Special Weather Statement | FWD | Dallas | 30 min |
| May 20, 12:40 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 47 min |
| May 20, 12:41 PM CDT | Special Weather Statement | FWD | Tarrant | 34 min |
| May 20, 12:51 PM CDT | Areal Flood Advisory | FWD | Hopkins, Hunt | 3 hr |
| May 20, 12:51 PM CDT | Severe Thunderstorm Warning | FWD | Dallas, Tarrant | 54 min |
| May 20, 12:58 PM CDT | Tornado Warning | FWD | Hopkins | 28 min |
| May 20, 1:03 PM CDT | Areal Flood Advisory | FWD | Dallas | 3 hr |
| May 20, 1:41 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 64 min |
| May 20, 2:06 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Kaufman | 54 min |
| May 20, 2:07 PM CDT | Tornado Warning | FWD | Ellis | 38 min |
| May 20, 2:43 PM CDT | Tornado Warning | FWD | Ellis | 47 min |
| May 20, 2:54 PM CDT | Severe Thunderstorm Warning | FWD | Henderson, Kaufman | 66 min |
| May 20, 3:23 PM CDT | Areal Flood Advisory | FWD | Ellis | 112 min |
| May 20, 3:28 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Navarro | 62 min |
| May 20, 3:45 PM CDT | Tornado Warning | FWD | Ellis, Navarro | 45 min |
| May 20, 3:55 PM CDT | Severe Thunderstorm Warning | FWD | Henderson | 65 min |
| May 20, 4:25 PM CDT | Tornado Warning | FWD | Navarro | 38 min |
| May 20, 4:28 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Navarro | 47 min |
| May 20, 5:00 PM CDT | Severe Thunderstorm Warning | FWD | Navarro | 60 min |
| May 20, 5:00 PM CDT | Severe Thunderstorm Warning | FWD | Anderson, Henderson, Navarro | 60 min |
| May 20, 5:11 PM CDT | Tornado Warning | FWD | Anderson, Freestone, Henderson, Navarro | 49 min |
| May 20, 5:14 PM CDT | Severe Thunderstorm Warning | FWD | Ellis | 46 min |
| May 20, 5:19 PM CDT | Tornado Warning | FWD | Freestone, Navarro | 41 min |
| May 20, 5:38 PM CDT | Severe Thunderstorm Warning | FWD | Hill | 52 min |
| May 20, 5:58 PM CDT | Severe Thunderstorm Warning | FWD | Navarro | 62 min |
| May 20, 6:19 PM CDT | Severe Thunderstorm Warning | FWD | Bosque | 56 min |
| May 20, 6:24 PM CDT | Severe Thunderstorm Warning | FWD | Anderson | 46 min |
| May 20, 6:29 PM CDT | Severe Thunderstorm Warning | FWD | Hill | 61 min |
| May 20, 6:40 PM CDT | Severe Thunderstorm Warning | FWD | Freestone, Limestone | 65 min |
| May 20, 6:41 PM CDT | Tornado Warning | FWD | Hill, Limestone, Navarro | 49 min |
| May 20, 6:47 PM CDT | Special Weather Statement | FWD | Hamilton | 28 min |
| May 20, 6:58 PM CDT | Tornado Warning | FWD | Freestone | 32 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.