Alert archive / Alabama / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 20, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 16, 1986, 1:30 AM CST for Crenshaw County, Lowndes County, Montgomery County, Alabama. It was in force for 60 min. 3 reports 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
- Mar 16, 1986, 1:30 AM CST (07:30 UTC)
- Expired
- Mar 16, 1986, 2:30 AM CST
- In force
- 60 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Crenshaw County, AL, Lowndes County, AL, Montgomery 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 |
|---|---|---|---|
| Mar 16, 1:45 AM CST | Hail 0.75 | Lowndes, AL | |
| Mar 16, 2:00 AM CST | Hail 1 | Crenshaw, AL | |
| Mar 16, 2:15 AM CST | Hail 0.75 | Montgomery, 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 00:00Z, 7.5 hours before the alert went out and 122 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
- 116 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 1675 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 KMGM 160730 RRA SVRMGM ALC101-085-041-160830- BULLETIN...IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING CORRECTION NATIONAL WEATHER SERVICE MONTGOMERY AL 0130 AM CST SUN MAR 16 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 AM CST FOR MONTGOMERY LOWNDES AND CRENSHAW COUNTIES OF SOUTH ALABAMA. AT 1 AM CST RADAR INDICATED A SEVERE THUNDERSTORMS OVER EAST MONTGOMERY COUNTY AND SOUTHEAST LOWNDES COUNTY MOVINrG EAST AT 30MPH. NUMEROUS REPORTS OF LARGE HAIL HAVE BEEN RECIEVED FROM AREAS IN MONTGOMERY COUNTY..PARTICULARY THE CITY OF MONTGOMERY WHERE HAIL COVERED THE GROUND AT DANNELLY FIELD.
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, Mar 15, 11:21 PM CST, 2 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE, AL. 1115 PM CST SAT MAR 15 1986 ...VERY HEAVY THUNDERSTORM MOVING INTO WASHINGTON COUNTY ALABAMA... AT 1115 PM CST THE MOBILE WEATHER RADAR SHOWED A VERY HEAVY THUNDERSTORM IN EXTREME EASTERN MISSISSIPPI ABOUT 20 MILES SOUTHWEST OF MILRY ALABAMA. THIS THUNDERSTORM IS MOVING TO TH EAST NORTHEAST AT 25 MPH AND WILL MOVE INTO NORTHERN WASHINGTON COUNTY ALABAMA DURING THE NEXT FEW MINUTES. PERSONS IN NORTHERN WASHINGTON COUNTY, PARTICULARLY THE MILRY AREA, SHOULD BE PREPARED FOR VERY HEAVY RAINS, STRONG GUSTY WINDS, HAIL AND FREQUENT LIGHTNING AS THIS STORM MOVES THROUGH DURING THE NEXT 30 TO 60 MINUTES. ALSO A VERY HEAVY THUNDERSTORM 20 MILES EAST OF MCCOMB MISSISSIPPI WILL MOVE INTO LAMAR COUNTY MISSISSIPPI IN ABOUT AN HOUR. THIS STORM HAS PRODUCED HAIL AND VERY HEAVY RAIN IN PIKE COUNTY MISSISSIPPI. STAY TUNED TO NOAA WEATHER RADIO, COMMERCIAL RADIO, OR TELEVISIO'N FOR LATER STATEMENTS OR WARNINGS.
Local storm report, Mar 16, 12:20 AM CST, 1 hour 10 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 1215 AM CST SUN MAR 16 1986 THE WASHINGTON COUNTY SHERIFFS OFFICE REPORTS THAT HAIL THE SIZE OF HALF DOLLARS OCCURRED IN MILRY AROUND !1145 PM CST, THE HAIL REPORTEDLY ACCUMULATED TO TWO INCHES DEEP. (MILRY IS IN NORTHERN WASHINGTON COUNTY ALABAMA)
Local storm report, Mar 16, 12:53 AM CST, 37 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 1252 AM CST SUN MAR 16 1986 1215 AM CST...MARBLE SIZE HAIL IN JACKSON ALABAMA 1230 AM CST...PEA SIZE HAIL IN GROVE HILL ALABAMA
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 11:39 PM CST | Severe Thunderstorm Warning | MOB | Washington | 36 min |
| Mar 16, 1:00 AM CST | Severe Thunderstorm Warning | MOB | Montgomery | 30 min |
| Mar 16, 2:00 AM CST | Severe Thunderstorm Warning | MOB | Macon | 60 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.