Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 64, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 30, 1986, 4:40 PM CDT for Washington County, Alabama. It was in force for 50 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 30, 1986, 4:40 PM CDT (21:40 UTC)
- Expired
- Jul 30, 1986, 5:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Washington County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 30, 5:10 PM CDT | Thunderstorm Wind 0 | Washington, AL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.7 hours before the alert went out and 191 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
- 2229 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1529 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 302140 SVRMOB ALC129-302230- BULLETIN..IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 440 PM CDT WED JUL 30 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 PM CDT FOR PERSONS IN THE FOLLOWING COUNTY IN SOUTHWEST ALABAMA: WASHINGTON AT 438 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM MIDWAY BETWEEN JACKSON ALABAMA AND MILLRY. ANOTHER SEVERE THUNDERSTORM WAS 1)0 MILES SOUTHWEST OF JACKSON ALABAMA. THESE STORMS ARE MOVING TO THE SOUTH AT 15 MPH, AND MAY PRODUCE HAIL AND DAMAGING WINDS.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jul 30, 3:39 PM CDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 335 PM CDT WED JUL 30 1986 AT 330 PM CDT...THUNDERSTORMS..A FEW HEAVY..WERE SCATTERED OVER THE FLORIDA PANHANDLE FROM FORT WALTON ALONG THE COAST TO AROUND APALACHI- COLA. THE THUNDERSTORMS WERE DEVELOPING AND MOVING SOUTH AT 10 MILES AN HOUR. EXTREMELY HEAVY THUNDERSTORMS WERE IN WAYNE COUNTY MISSISSIPPI SOUTH- WEST OF WAYNESBORO..AND IN SOUTH MARENGO COUNTY ALABAMA NEAR DIXONS MILLS. THE THUNDERSTORMS WERE MOVING SOUTH AT 10 MILES AN HOUR. OTHER THUNDERSTORMS..SOME VERY HEAVY..WERE SCATTERED OVER SOUTH ALABAMA AND SOUTHEAST MISSISSIPPI. THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF HEAVY R0AIN..FREQUENT LIGHTNING..GUSTY WIND AROUND 45 MILES AN HOUR..AND POSSIBLE SMALL HAIL. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 2:28 PM CDT | Severe Thunderstorm Warning | MOB | Macon | 62 min |
| Jul 30, 3:10 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 55 min |
| Jul 30, 4:05 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 60 min |
| Jul 30, 4:10 PM CDT | Severe Thunderstorm Warning | MOB | Barbour | 65 min |
| Jul 30, 5:01 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 29 min |
| Jul 30, 5:20 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 70 min |
| Jul 30, 6:40 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin, Mobile | 65 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1986Every severe thunderstorm warning in 1986
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.