Alert archive / Alabama / Tornado Watches in 2003
Tornado Watch 610
The Storm Prediction Center issued this tornado watch at Jun 30, 2003, 9:40 PM CDT for 11 counties in Alabama; Escambia County, Okaloosa County, Santa Rosa County, Florida; 11 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 30, 2003, 9:40 PM CDT (02:40 UTC)
- Expired
- Jul 1, 2003, 3:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, Clarke County, MS, Forrest County, MS, George County, MS, Greene County, MS, Harrison County, MS, Jackson County, MS, Jasper County, MS, Jones County, MS, Perry County, MS, Stone County, MS, Wayne County, MS
The radar
The Mobile radar (KMOB), 63 km from the middle of the area, began a volume at 02:42 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 10:00 PM CDT | Tornado Warning | MOB | Santa Rosa | 30 min |
| Jun 30, 10:13 PM CDT | Tornado Warning | MOB | George, Greene | 47 min |
| Jun 30, 10:29 PM CDT | Flash Flood Warning | JAN | Forrest, Lamar, Marion | 4 hr |
| Jun 30, 10:39 PM CDT | Tornado Warning | MOB | Mobile | 36 min |
| Jun 30, 10:53 PM CDT | Flash Flood Warning | JAN | Clarke, Jasper, Jones | 6 hr |
| Jun 30, 11:14 PM CDT | Tornado Warning | MOB | Mobile | 46 min |
| Jul 1, 12:00 AM CDT | Flash Flood Warning | MOB | Baldwin, Escambia, Mobile | 3 hr |
| Jul 1, 12:22 AM CDT | Flash Flood Warning | MOB | Greene, Wayne | 4 hr |
| Jul 1, 2:33 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 27 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 2.7 hours before the alert went out and 185 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
- 428 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 010242 SEL0 SPC WW 010240 ALZ000-FLZ000-MSZ000-CWZ000-010800- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 610 CORR 1 NWS STORM PREDICTION CENTER NORMAN OK 940 PM CDT MON JUN 30 2003 CORRECTED FOR WATCH REPLACEMENT AND SOUTHWEST AL THE NWS STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF SOUTHWEST ALABAMA WESTERN FLORIDA PANHANDLE SOUTHEAST MISSISSIPPI COASTAL WATERS EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 935 PM UNTIL 300 AM CDT. TORNADOES...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTH SOUTHWEST OF LAUREL MISSISSIPPI TO 15 MILES EAST NORTHEAST OF CRESTVIEW FLORIDA. 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 608. WATCH NUMBER 608 WILL NOT BE IN EFFECT AFTER 940 PM CDT. CONTINUE...WW 609...WW 610... DISCUSSION...TS BILL CONTINUES TO TRACK NORTHEASTWARD OVER EASTERN LA...WITH SURFACE BOUNDARY EXTENDING EASTWARD FROM SYSTEM INTO SOUTHERN MS/AL AND THE WESTERN FL PANHANDLE. STRONG VERTICAL SHEAR PROFILES WILL PROMOTE THE POTENTIAL FOR ISOLATED TORNADOES THROUGH THE NIGHT AS FEEDER BANDS ROTATE INLAND OVER WATCH AREA. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 20035. ...HART 320,0892 314,0861 295,0861 301,0892
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 7:22 PM CDT | Mesoscale Discussion | SPC | Coffee, Covington, Dale, Geneva, Henry, Houston and 1 more | 113 min |
| Jul 1, 1:25 AM CDT | Tornado Watch | SPC | Autauga, Baldwin, Barbour, Bibb, Bullock, Butler and 41 more | 9 hr |
| Jul 1, 4:26 AM CDT | Mesoscale Discussion | SPC | Autauga, Baldwin, Barbour, Bibb, Bullock, Butler and 41 more | 2 hr |
| Jul 1, 7:28 AM CDT | Mesoscale Discussion | SPC | Barbour, Bullock, Calhoun, Chambers, Clay, Cleburne and 15 more | 62 min |
| Jul 1, 9:40 AM CDT | Tornado Watch | SPC | Barbour, Bullock, Calhoun, Chambers, Clay, Cleburne and 16 more | 6 hr |
| Jul 1, 12:57 PM CDT | Mesoscale Discussion | SPC | Barbour, Bullock, Chambers, Henry, Lee, Macon and 3 more | 2 hr |
| Jul 1, 2:49 PM CDT | Mesoscale Discussion | SPC | Barbour, Chambers, Cleburne, Henry, Houston, Lee and 2 more | 116 min |
| Jul 1, 3:05 PM CDT | Tornado Watch | SPC | Bay, Calhoun, Columbia, Gadsden, Hamilton, Jackson and 6 more | 6 hr |
Nearby
Tornado Watches in Alabama, 2003Tornado Watches in Mississippi, 2003Tornado Watches in Florida, 2003Every tornado watch in 2003
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.