Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 79, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Aug 2, 1986, 11:26 AM CDT for Pike County, Walthall County, Mississippi. It was in force for 34 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
- Aug 2, 1986, 11:26 AM CDT (16:26 UTC)
- Expired
- Aug 2, 1986, 12:00 PM CDT
- In force
- 34 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Pike County, MS, Walthall County, MS
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 |
|---|---|---|---|
| Aug 2, 11:55 AM CDT | Hail 1 | Pike, MS |
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
Jackson, MS (KJAN), launched 12:00Z, 4.4 hours before the alert went out and 130 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
- 1468 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1248 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KJAN 021626
SVRJAN
MSC113-147-021700-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1126 AM CDT SAT AUG 2 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1200 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN SOUTHWEST MISSISSIPPI
..SOUTHERN PIKE
IN SOUTH CENTRAL MISSISSIPPI
..SOUTHERN WALTHALL
AT 1130 AM RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTH
MISSISSIPPI SOUTH OF MCCOMB BETWEEN FERNWOOD AND TYLERTOWN. THIS
THUNDERSTORM WILL BE MOVING RAPIDLY THROUGH THE SOUTHERN SECTIONS OF
PIKE AND WALTHALL COUNTIES DURING THE NEXT 30 MINUTES.
MOVEMENT WAS SOUTHEAST AT 35 MILES AN HOUR.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH,
DESTRUCTIVE HAIL, DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LO+WEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.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, Aug 2, 7:14 AM CDT, 4 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 710 AM CDT SAT AUG 2 1986 THUNDERSTORMS CONTINUE TO MOVE INTO NORTHWEST MISSISSIPPI. AT 705 AM THE LEADING EDGE OF THE RAIN AND THUNDERSTORMS EXTENDED FROM WATER VALLEY TO CLEVELAND AND INTO ARKANSAS. THE AREA OF RAIN AND THUNDERSTORMS WAS MOVING TO THE SOUTH AT 40 MPH. SOME OF THE HEAVIER THUNDERSTORMS IN THIS AREA MAY BE ACCOMPANIED BY BRIEF HEAVY RAIN...STRONG GUSTY WINDS AN`D POSSIBLE HAIL. PERSONS IN NORTHWEST MISSISSIPPI SHOULD BE ON THE ALERT FOR THE NEXT HOUR OR TWO...AND BE PREPARED TO TAKE ACTION IF THREATENING WEATHER APPROACHES.
Special weather statement, Aug 2, 8:35 AM CDT, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE JACKSON MS 835 AM CDT SAT AUG 2 1986 AN AREA OF RAIN AND THUNDERSTORMS OVER NORTH MISSISSIPPI WAS RAPIDLY MOVING SOUTH TOWARD CENTRAL MISSISSIPPI. AT 830 AM...THE LEADING EDGE OF AN AREA OF RAIN AND THUNDERSTORMS OVER MOST OF NORTHWEST MISSISSIPPI WAS NEAR A HOLLY BLUFF TO PICKENS TO ACKERMAN TO OXFORD LINE. THE AREA OF SCATTERED THUNDERSTORMS WAS STILL PLOWING SOUTHWARD AT 40 MILES AN HOUR. ALTHOUGH SATELLITE PICTURES INDICATED THE AREA OF STORMS AS A WHOLE HAD SHOWN A DECREASE IN INTENSITY OVER THE PAST COUPLE OF HOURS... THE STORMS ARE STILL PRODUCING BRIEF PERIODS OF HEAVY RAIN AND STRONG GUSTY WINDS. THE MOST INTENSE THUNDERSTORMS WERE OVER NORTHWEST AND NORTH-CENTRAL MISSISSIPPI NEAR GREENVILLE..WEST OF GREENWOOD..AND NORTHEAST OF DURANT. STRONG THUNDERSTORMS WERE ALSO MOVING INTO THE NORTHEAST CORNER OF LOUISIANA NORTHWEST OF LAKE PROVIDENCE. THE STORMS WERE MOVING SOUTH AT 40 MILES AN HOUR.
Special weather statement, Aug 2, 9:00 AM CDT, 2 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
900 AM CDT SAT AUG 2 1986
...MUCH NEEDED RAINFALL MOVING ACROSS NORTH MISSISSIPPI...
AT 900 AM CDT...THE NATIONAL WEATHER SERVICE RADAR HERE IN TUPELO
SHOWED A LARGE AREA OF MOSTLY LIGHT RAIN WITH A FEW HEAVY
THUNDERSTORMS MOVING ACROSS NORTH MISSISSIPPI. THIS ACTIVITY WAS
LOCATED WEST OF A LINE FROM JACKSON TENNESSEE TO TUPELO TO COLUMBUS
MISSISSIPPI AND WAS MOVING SOUTHEAST AT 40 MILES AN HOUR.
THIS AREA OF PRECIPITATION COUPLED WITH BRISK NORTHWEST WINDS PROMISES
TO GIVE SOME RELIEF TO OUR PAST HEAT WAVE AND DRY SPELL.
HOWEVER..THIS CHANGE IS LIKELY TO PRODUCE SOME PROBLEMS.
THE HEAVIER THUNDERSTORMS COULD PRODUCE WIND GUSTS TO 45 MILES AN HOUR
AND THE ONSET OF RAINFALL WILL MAKE HIGHWAYS BECOME VERY SLICK.Special weather statement, Aug 2, 9:53 AM CDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 950 AM CDT SAT AUG 2 1986 AT 947 AM RADAR SHOWED A 15 MILE WIDE AREA OF SCATTERED VERY HEAVY THUNDERSTORMS EXTENDING FROM BRANDON THROUGH PHILADELPHIA TO 10 MILES EAST OF LOUISVILLE MISSISSIPPI. THE AREA WAS MOVING SOUTHEAST AT 40 MPH. THOSE ATTENDING THE NESHOBA COUNTY FAIR CAN EXPECT LIGHTNING...GUSTY WINDS AND PERIODS OF VERY HEAVY RAIN FOR THE NEXT 20 TO 30 MINUTES OR UNTIL 1020 AM. THE AREA OF STORMS IS EXPECTED TO CONTINUE MOVING RAPIDLY SOUTHEAST AND MERIDIAN CAN EXPECT THE SAME LATER THIS MORNING.
Special weather statement, Aug 2, 11:22 AM CDT, 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1115 AM CDT SAT AUG 2 1986 AROUND 1039 AM CDT A "GUST FRONT" PASSED THROUGH MERIDIAN AND WAS MOVING RAPIDLY SOUTHEAST. AT 1110 AM RADAR SHOWED THE GUST FRONT WAS BETWEEN SANDERSVILLE MISSISSIPPI AND YORK ALABAMA. IT APPEARS TO BE SLOWING DOWN A LITTLE. WITH THE PASSAGE OF THIS GUST FRONT THE TEMPERATURE AT MERIDIAN DROPPED 10 DEGREES ..FROM 92 TO 82.. AND THE WINDS GUSTED T'O 35 MPH. ALSO A FEW PLACE IN TOWN RECIEVED A LIGHT SHOWER. THOSE OF YOU LIVING ALONG OR AHEAD OF THIS GUST FRONT CAN EXPECT THE SAME TYPE OF WEATHER FOR 30 TO 40 MINUTES. LATER ON HEAVY THUNDERSTORMS COULD DEVELOPE ALONG THIS FRONT.
Nearby
Severe Thunderstorm Warnings in Mississippi, 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.