Alert archive / Alabama / Tornado Warnings in 2007

Tornado Warning 48, NWS Mobile, AL

October 22, 2007Mobile County, Alabama

NWS Mobile, AL issued this tornado warning at Oct 22, 2007, 2:50 PM CDT for Mobile County, Alabama. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Oct 22, 2007, 2:50 PM CDT (19:50 UTC)
Expired: Oct 22, 2007, 3:30 PM CDT
In force: 40 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon

County Mobile County, AL

The radar

The Mobile radar (KMOB), 52 km from the middle of the area, began a volume at 19:51 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.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 7.8 hours before the alert went out and 127 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 595 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 597 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KMOB 221951
TORMOB
ALC097-222030-
/O.NEW.KMOB.TO.W.0048.071022T1950Z-071022T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
250 PM CDT MON OCT 22 2007

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN MOBILE COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 330 PM CDT

* AT 246 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES SOUTH OF
  WEST END OF DAUPHIN ISLAND...MOVING NORTH AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  WEST END OF DAUPHIN ISLAND BY 300 PM CDT...
  BAYOU LA BATRE...6 MILES SOUTHWEST OF DIXON CORNER AND 7 MILES
  SOUTHEAST OF GRAND BAY BY 330 PM CDT...

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.

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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3031 8837 3035 8840 3049 8840 3046 8814
      3028 8821 3036 8830 3037 8836 3033 8838
      3021 8836 3021 8838 3021 8839
TIME...MOT...LOC 1950Z 185DEG 19KT 3016 8831

$$
JP

4 follow-up statements

000 
WWUS54 KMOB 222003
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
302 PM CDT MON OCT 22 2007

ALC097-222030-
/O.CON.KMOB.TO.W.0048.000000T0000Z-071022T2030Z/
MOBILE AL-
302 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHWESTERN MOBILE COUNTY...

AT 300 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 14 MILES SOUTH OF BAYOU
LA BATRE...OR NEAR THE WEST END OF DAUPHIN ISLAND...MOVING NORTH AT 
20 MPH.

THE TORNADO WILL BE NEAR...
  BAYOU LA BATRE AND 7 MILES SOUTH OF DIXON CORNER BY 330 PM CDT...

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.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3031 8837 3035 8840 3049 8840 3046 8814
      3028 8821 3036 8830 3037 8836 3033 8838
      3021 8836 3021 8838 3021 8839
TIME...MOT...LOC 2002Z 196DEG 18KT 3021 8829

$$
JP

000 
WWUS54 KMOB 222023
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
321 PM CDT MON OCT 22 2007

ALC097-222030-
/O.CON.KMOB.TO.W.0048.000000T0000Z-071022T2030Z/
MOBILE AL-
321 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHWESTERN MOBILE COUNTY...

AT 320 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 9 MILES SOUTH OF BAYOU
LA BATRE...OR ABOUT 10 MILES WEST OF DAUPHIN ISLAND...MOVING NORTH AT
15 MPH.

THE TORNADO WILL BE NEAR...
  6 MILES SOUTH OF BAYOU LA BATRE AND 9 MILES SOUTH OF DIXON CORNER
  BY 330 PM CDT...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A WATERSPOUT 
MAY ALREADY BE OVER THE MISSISSIPPI SOUND...OR IS EXPECTED TO 
DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS 
STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY 
AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY 
OVERPASS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3038 8833 3037 8839 3049 8840 3046 8815
      3045 8814 3044 8816 3030 8820 3030 8823
TIME...MOT...LOC 2021Z 191DEG 16KT 3028 8827

$$
JP

000 
WWUS54 KMOB 222025 CCA
SVSMOB

SEVERE WEATHER STATEMENT...CORRECTED POSITION
NATIONAL WEATHER SERVICE MOBILE AL
321 PM CDT MON OCT 22 2007

ALC097-222030-
/O.CON.KMOB.TO.W.0048.000000T0000Z-071022T2030Z/
MOBILE AL-
321 PM CDT MON OCT 22 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHWESTERN MOBILE COUNTY...

AT 320 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED 9 MILES SOUTH OF BAYOU 
LA BATRE...MOVING NORTH AT 15 MPH.

THE TORNADO WILL BE NEAR...
  6 MILES SOUTH OF BAYOU LA BATRE AND 9 MILES SOUTH OF DIXON CORNER
  BY 330 PM CDT...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS 
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A WATERSPOUT 
MAY ALREADY BE OVER THE MISSISSIPPI SOUND...OR IS EXPECTED TO 
DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS 
STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY 
AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY 
OVERPASS.

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

LAT...LON 3038 8833 3037 8839 3049 8840 3046 8815
      3045 8814 3044 8816 3030 8820 3030 8823
TIME...MOT...LOC 2021Z 191DEG 16KT 3028 8827

$$
JP

000 
WWUS54 KMOB 222030
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
330 PM CDT MON OCT 22 2007

ALC097-222040-
/O.EXP.KMOB.TO.W.0048.000000T0000Z-071022T2030Z/
MOBILE AL-
330 PM CDT MON OCT 22 2007

...THE TORNADO WARNING FOR SOUTHWESTERN MOBILE COUNTY EXPIRES AT 330
PM CDT...

LAT...LON 3038 8833 3037 8839 3049 8840 3046 8815
      3045 8814 3044 8816 3030 8820 3030 8823
TIME...MOT...LOC 2025Z 191DEG 16KT 3030 8827

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 22, 4:01 PM CDT	Tornado Warning	MOB	Mobile	44 min
Oct 22, 4:43 PM CDT	Tornado Warning	MOB	Mobile	32 min
Oct 22, 6:47 PM CDT	Tornado Warning	MOB	Clarke, Mobile, Washington	43 min

Nearby

Tornado Warnings in Alabama, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.