Alert archive / Alabama / Fire Weather Watches in 2011
Fire Weather Watch 52, NWS Mobile, AL
NWS Mobile, AL issued this fire weather watch at Nov 16, 2011, 2:33 PM CST for 10 counties in Alabama. It took effect at Nov 17, 2011, 10:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 16, 2011, 2:33 PM CST (20:33 UTC)
- In effect from
- Nov 17, 2011, 10:00 AM CST
- Expired
- Nov 17, 2011, 5:52 AM CST
- In force
- Issued by
- NWS Mobile, AL
Counties Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Escambia County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL
The radar
The Mobile radar (KMOB), 138 km from the middle of the area, began a volume at 20:36 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
Birmingham, AL (KBMX), launched 12:00Z, 8.6 hours before the alert went out and 182 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
- 990 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 497 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 3.6
What forecasters said that day
The local office's own words before this fire weather watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this fire weather watch went out at Nov 16, 2:10 PM CST, 23 minutes earlier.
Area forecast discussion, Nov 16, 2:10 PM CST, 23 minutes before
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</html>Hazardous weather outlook, Nov 16, 5:45 AM CST, 8 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MOBILE AL 545 AM CST WED NOV 16 2011 ALZ051>064-FLZ001>006-GMZ630-650-655-670-675-MSZ067-075-076-078- 079-171200- CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW- ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE- LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA- COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-MOBILE BAY- COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM- COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM- WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM- WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-WAYNE-PERRY- GREENE-STONE-GEORGE- 545 AM CST WED NOV 16 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF INTERIOR SOUTHEAST MISSISSIPPI...SOUTHWEST AND SOUTH CENTRAL ALABAMA...THE WESTERN FLORIDA PANHANDLE AND THE ADJACENT GULF COASTAL WATERS OF ALABAMA AND NORTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT A COLD FRONT WILL BE APPROACHING THE REGION FROM THE WEST THIS MORNING...MOVING ACROSS THE WESTERN SECTIONS OF THE FORECAST AREA THIS AFTERNOON AND THEN ON TO THE EAST OF THE FORECAST AREA BY MIDNIGHT TONIGHT. THERE IS A SLIGHT CHANCE OF SEVERE WEATHER OVER PARTS OF REGION TODAY...INITIALLY OVER INTERIOR SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA...TRANSITIONING EAST INTO SOUTH CENTRAL ALABAMA AND THE WESTERN FLORIDA PANHANDLE THIS AFTERNOON. SCATTERED THUNDERSTORMS HAVE BEEN DEVELOPING AND MOVING NORTHEAST JUST TO THE WEST OF OUR INTERIOR SOUTHEAST MISSISSIPPI COUNTIES. SEVERAL OF THESE STORMS HAVE SHOWN SIGNS OF ROTATION...AND THERE HAVE BEEN SEVERAL REPORTS OF TORNADOES AND/OR WIND DAMAGE JUST TO THE WEST OF THE AREA THIS MORNING. THIS ACTIVITY WILL BE MOVING INTO OUR INTERIOR SOUTHEAST MISSISSIPPI COUNTIES BETWEEN 6 AM AND 7 AM THIS MORNING...AND THEN CONTINUE EAST INTO SOUTHWEST ALABAMA LATER IN THE MORNING. A TORNADO WATCH IS IN EFFECT FOR ALL OF OUR MISSISSIPPI COUNTIES AS WELL AS CHOCTAW...WASHINGTON AND CLARKE COUNTIES OF ALABAMA THROUGH 10 AM. WHILE THE THREAT FOR WIDESPREAD SEVERE WEATHER APPEARS TO BE MINIMAL...ATMOSPHERIC PROFILES INDICATE ENOUGH LOLVL SHEAR THROUGH AROUND 10 AM THIS MORNING FOR SOME OF THE THUNDERSTORMS TO PRODUCE AN ISOLATED TORNADO AND POSSIBLY SOME SMALL HAIL. AFTER SUNRISE...AS TEMPERATURES WARM...THE AIRMASS WILL BECOME MORE UNSTABLE...BUT ATMOSPHERIC PROFILES INDICATE THAT THE LOW LEVEL SHEAR THAT HAS AIDED IN THE DEVELOPMENT OF THE ROTATING STORMS EARLY THIS MORNING WILL BECOME MORE UNIDIRECTIONAL BY AROUND MID MORNING...LESSENING THE TORNADO THREAT BY LATE MORNING. SCATTERED TO NUMEROUS SHOWERS AND STORMS...MOSTLY BELOW SEVERE LIMITS BUT SOME STILL STRONG...WILL CONTINUE TO PROGRESS EAST ACROSS THE CENTRAL AND EASTERN PORTIONS OF THE FORECAST AREA THROUGH THE AFTERNOON HOURS. A MODERATE ONSHORE FLOW AHEAD OF THE FRONT WILL BRING POTENTIALLY HAZARDOUS CONDITIONS TO THE MARINE AREA THROUGH THIS AFTERNOON. A STRONG OFFSHORE FLOW WILL DEVELOP IN THE WAKE OF THE FRONT TONIGHT BRINGING HAZARDOUS CONDITIONS FOR SMALL CRAFT. A SMALL CRAFT ADVISORIES WILL LIKELY BE ISSUED FOR THE ENTIRE MARINE AREA LATER TODAY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY HAZARDOUS MARINE CONDITIONS WILL CONTINUE OVER THE COASTAL WATERS THURSDAY AND THURSDAY NIGHT AS A STRONG OFFSHORE FLOW AND BUILDING SEAS CONTINUE IN THE WAKE OF THE FRONT. NORTHERLY FLOW WILL BECOME MORE EASTERLY AND DIMINISH SLIGHTLY LATE IN THE WEEK AS HIGH PRESSURE MOVES ACROSS THE SOUTHEASTERN STATES AND THEN OFF THE MID ATLANTIC COAST BY THE WEEKEND. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS MAY BE NEEDED THIS MORNING.
In the hours before
Local storm report, Nov 16, 10:55 AM CST, 3 hours 38 minutes before
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</html>Local storm report, Nov 16, 1:47 PM CST, 46 minutes before
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</html>The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 16, 6:37 AM CST | Tornado Warning | MOB | Choctaw | 34 min |
| Nov 16, 7:35 AM CST | Tornado Warning | MOB | Washington | 40 min |
| Nov 16, 8:27 AM CST | Tornado Warning | MOB | Choctaw, Clarke | 63 min |
| Nov 16, 9:13 AM CST | Tornado Warning | MOB | Clarke, Monroe, Washington | 47 min |
| Nov 16, 9:29 AM CST | Tornado Warning | MOB | Clarke, Monroe, Wilcox | 37 min |
| Nov 16, 9:51 AM CST | Special Marine Warning | MOB | 114 min | |
| Nov 16, 10:26 AM CST | Special Marine Warning | MOB | 2 hr | |
| Nov 16, 10:35 AM CST | Severe Thunderstorm Warning | MOB | Butler, Conecuh, Crenshaw, Monroe, Wilcox | 55 min |
| Nov 16, 10:39 AM CST | Tornado Warning | MOB | Butler, Crenshaw, Monroe, Wilcox | 55 min |
| Nov 16, 10:48 AM CST | Small Craft Advisory | MOB | 46 hr | |
| Nov 16, 11:45 AM CST | Special Marine Warning | MOB | 2 hr | |
| Nov 16, 1:02 PM CST | Special Marine Warning | MOB | 97 min |
Nearby
Fire Weather Watches in Alabama, 2011Fire Weather Watches in Florida, 2011Every fire weather watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.