Alert archive / Alabama / Tornado Warnings in 2011
Tornado Warning 39, NWS Mobile, AL
NWS Mobile, AL issued this tornado warning at Apr 15, 2011, 11:52 AM CDT for Choctaw County, Clarke County, Washington County, Alabama. It was in force for 38 min. 4 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
- Apr 15, 2011, 11:52 AM CDT (16:52 UTC)
- Expired
- Apr 15, 2011, 12:30 PM CDT
- In force
- 38 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
Counties Choctaw County, AL, Clarke County, AL, Washington County, AL
The radar
The Mobile radar (KMOB), 107 km from the middle of the area, began a volume at 16:51 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 15, 11:57 AM CDT | FUNNEL CLOUD | Yarbo, AL | FUNNEL CLOUD SPOTTED. |
| Apr 15, 12:05 PM CDT | HAIL 1.75 | Millry, AL | GOLF BALL SIZE HAIL REPORTED. |
| Apr 15, 12:08 PM CDT | FUNNEL CLOUD | N Coffeeville, AL | EMA PERSONNEL RECEIVED REPORT OF FUNNEL CLOUD AT INTERSECTION OF HIGHWAY 69 AND COUNTY ROAD 31. |
| Apr 15, 12:08 PM CDT | TORNADO | Nne Yarbo, AL | TORNADO CROSSED STATE ROAD 17 NEAR YARBO. SEVERAL LARGE TREES DOWN. |
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 15, 7:32 AM CDT | Tornado Watch | SPC | 7 hr |
| Apr 15, 11:21 AM CDT | Tornado Watch | SPC | 9 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 4.9 hours before the alert went out and 198 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
- 1458 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 523 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 382 m²/s²
- 0-3 km storm-relative helicity
- 565 m²/s²
- Significant tornado parameter
- 4.0
- Supercell composite
- 14.6
The text
As transmitted, in the capitals the NWS used until 2016.
849
WFUS54 KMOB 151652
TORMOB
ALC023-025-129-151730-
/O.NEW.KMOB.TO.W.0039.110415T1652Z-110415T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1152 AM CDT FRI APR 15 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHEASTERN CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
NORTHWESTERN CLARKE COUNTY IN SOUTHWEST ALABAMA...
NORTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
THIS INCLUDES THE CITY OF CHATOM...
* UNTIL 1230 PM CDT
* AT 1147 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM WITH STRONG SIGNS OF A TORNADO 11 MILES WEST
OF CHATOM...OR NEAR STATE LINE...MOVING NORTHEAST AT 40 MPH. A
TORNADO WAS REPORTED WITH THIS STORM NEAR STATE LINE AND DAMAGE
HAS BEEN REPORTED.
* THE TORNADO WILL BE NEAR...
CHATOM AROUND NOON CDT...
MILLRY AROUND 1205 PM CDT...
COFFEEVILLE AND SERVICE AROUND 1225 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
&&
LAT...LON 3166 8775 3139 8838 3154 8846 3157 8846
3199 8805
TIME...MOT...LOC 1651Z 232DEG 34KT 3151 8840
$$3 follow-up statements
959
WWUS54 KMOB 151657
SVSMOB
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1157 AM CDT FRI APR 15 2011
ALC023-025-129-151730-
/O.CON.KMOB.TO.W.0039.000000T0000Z-110415T1730Z/
WASHINGTON AL-CLARKE AL-CHOCTAW AL-
1157 AM CDT FRI APR 15 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHEASTERN CHOCTAW...NORTHWESTERN CLARKE AND NORTHERN WASHINGTON
COUNTIES...
AT 1151 AM CDT...COUNTY EMERGENCY MANAGEMENT REPORTED A TORNADO.
THIS TORNADO WAS NEAR COPELAND...OR ABOUT 10 MILES WEST OF
CHATOM...MOVING NORTHEAST AT 40 MPH.
THE TORNADO WILL BE NEAR...
LOPER...MILLRY...CARPENTER AND HEALING SPRINGS AROUND 1205 PM
CDT...
KOENTON AROUND 1210 PM CDT...
BIGBEE AROUND 1215 PM CDT...
SILVER CROSS...FRANKVILLE AND BLADON SPRINGS AROUND 1220 PM CDT...
TATTLERSVILLE AROUND 1225 PM CDT...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR
SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI.
LAT...LON 3199 8805 3166 8775 3142 8832 3154 8846
3157 8846
TIME...MOT...LOC 1656Z 232DEG 34KT 3154 8836
$$395 WWUS54 KMOB 151701 SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1201 PM CDT FRI APR 15 2011 ALC023-025-129-151730- /O.CON.KMOB.TO.W.0039.000000T0000Z-110415T1730Z/ WASHINGTON AL-CLARKE AL-CHOCTAW AL- 1201 PM CDT FRI APR 15 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR SOUTHEASTERN CHOCTAW...NORTHWESTERN CLARKE AND NORTHERN WASHINGTON COUNTIES... AT 1156 AM CDT...COUNTY EMERGENCY MANAGEMENT AND STORM SPOTTERS REPORTED A TORNADO. THIS TORNADO WAS NEAR BARLOW...OR ABOUT 8 MILES NORTHWEST OF CHATOM...MOVING NORTHEAST AT 40 MPH. THE TORNADO WILL BE NEAR... KOENTON AROUND 1210 PM CDT... BIGBEE AROUND 1215 PM CDT... FRANKVILLE AND SILVER CROSS AROUND 1220 PM CDT... TATTLERSVILLE...COFFEEVILLE...SERVICE AND SALITPA AROUND 1225 PM CDT... CENTER POINT AROUND 1230 PM CDT... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3144 8831 3158 8844 3199 8805 3166 8775 TIME...MOT...LOC 1701Z 235DEG 34KT 3156 8830 $$
530 WWUS54 KMOB 151709 RRA SVSMOB SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1209 PM CDT FRI APR 15 2011 ALC023-025-129-151730- /O.CON.KMOB.TO.W.0039.000000T0000Z-110415T1730Z/ WASHINGTON AL-CLARKE AL-CHOCTAW AL- 1209 PM CDT FRI APR 15 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR SOUTHEASTERN CHOCTAW...NORTHWESTERN CLARKE AND NORTHERN WASHINGTON COUNTIES... AT 1205 PM CDT...STORM SPOTTERS WERE TRACKING A TORNADO. THIS TORNADO WAS NEAR LOPER...OR ABOUT 8 MILES NORTH OF CHATOM...MOVING NORTHEAST AT 40 MPH. THE TORNADO WILL BE NEAR... BIGBEE AROUND 1215 PM CDT... FRANKVILLE...SILVER CROSS AND BLADON SPRINGS AROUND 1220 PM CDT... SALITPA AND SERVICE AROUND 1225 PM CDT... TATTLERSVILLE...COFFEEVILLE...CENTER POINT AND MCENTYRE AROUND 1230 PM CDT... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FRIDAY EVENING FOR SOUTHWESTERN ALABAMA AND SOUTHEAST MISSISSIPPI. LAT...LON 3148 8826 3161 8840 3199 8805 3166 8775 TIME...MOT...LOC 1709Z 235DEG 34KT 3160 8823 $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 10:41 PM CDT | Small Craft Advisory | MOB | 44 hr | |
| Apr 15, 10:20 AM CDT | Tornado Warning | MOB | Washington | 40 min |
| Apr 15, 10:50 AM CDT | Tornado Warning | MOB | Clarke, Washington | 40 min |
| Apr 15, 10:56 AM CDT | Tornado Warning | MOB | Choctaw | 49 min |
| Apr 15, 11:09 AM CDT | Tornado Warning | MOB | Washington | 51 min |
| Apr 15, 11:26 AM CDT | Tornado Warning | MOB | Clarke, Monroe | 49 min |
| Apr 15, 11:41 AM CDT | Tornado Warning | MOB | Choctaw | 64 min |
| Apr 15, 12:07 PM CDT | Tornado Warning | MOB | Monroe | 38 min |
| Apr 15, 12:20 PM CDT | Tornado Warning | MOB | Choctaw, Clarke, Washington | 40 min |
| Apr 15, 12:35 PM CDT | Tornado Warning | MOB | Monroe, Wilcox | 24 min |
| Apr 15, 12:44 PM CDT | Tornado Warning | MOB | Washington | 46 min |
| Apr 15, 12:51 PM CDT | Tornado Warning | MOB | Clarke, Wilcox | 33 min |
| Apr 15, 1:09 PM CDT | Tornado Warning | MOB | Washington | 51 min |
| Apr 15, 1:22 PM CDT | Tornado Warning | MOB | Clarke, Washington | 21 min |
| Apr 15, 1:46 PM CDT | Tornado Warning | MOB | Clarke, Washington | 44 min |
| Apr 15, 2:06 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 27 min |
| Apr 15, 2:22 PM CDT | Tornado Warning | MOB | Clarke, Monroe, Wilcox | 38 min |
| Apr 15, 2:55 PM CDT | Tornado Warning | MOB | Monroe, Wilcox | 50 min |
| Apr 15, 3:18 PM CDT | Tornado Warning | MOB | Butler, Conecuh, Monroe, Wilcox | 57 min |
| Apr 15, 3:41 PM CDT | Tornado Warning | MOB | Clarke, Washington | 32 min |
| Apr 15, 4:02 PM CDT | Tornado Warning | MOB | Choctaw | 58 min |
| Apr 15, 4:27 PM CDT | Tornado Warning | MOB | Clarke, Monroe | 48 min |
| Apr 15, 4:57 PM CDT | Tornado Warning | MOB | Choctaw | 42 min |
| Apr 15, 5:09 PM CDT | Tornado Warning | MOB | Butler, Conecuh, Monroe, Wilcox | 51 min |
| Apr 15, 5:44 PM CDT | Tornado Warning | MOB | Monroe, Wilcox | 31 min |
| Apr 15, 5:47 PM CDT | Tornado Warning | MOB | Choctaw | 58 min |
| Apr 15, 5:54 PM CDT | Tornado Warning | MOB | Wilcox | 51 min |
| Apr 15, 5:59 PM CDT | Tornado Warning | MOB | Butler | 26 min |
| Apr 15, 6:23 PM CDT | Tornado Warning | MOB | Wilcox | 32 min |
| Apr 15, 6:34 PM CDT | Tornado Warning | MOB | Choctaw | 41 min |
| Apr 15, 6:44 PM CDT | Tornado Warning | MOB | Choctaw, Clarke, Washington | 61 min |
Nearby
Tornado Warnings in Alabama, 2011Every tornado warning in 2011Tornadoes in 2011
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.