Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 194, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jun 18, 1997, 6:06 AM CDT for Perry County, Stone County, Mississippi. It was in force for 69 min. 2 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
- Jun 18, 1997, 6:06 AM CDT (11:06 UTC)
- Expired
- Jun 18, 1997, 7:15 AM CDT
- In force
- 69 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Perry County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 85 km from the middle of the area, began a volume at 11:09 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 18, 6:30 AM CDT | Thunderstorm Wind 50 | New Augusta, MS | Several large limbs were blown down along MS HWY 29 just north of New Augusta. A bridge was damaged due to undermining from a swollen creek. The road across the creek was temporarily closed until the water receded. |
| Jun 18, 6:45 AM CDT | Thunderstorm Wind 50 | Wiggins, MS | Several trees were blown down in the community of Wiggins. |
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.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 11.1 hours before the alert went out and 102 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
- 24 J/kg
- Mixed-layer CIN
- -314 J/kg
- Mixed-layer LCL
- 975 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
392 WUUS1 KMOB 181108 RRA SVRMOB MSC111-131-181215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 606 AM CDT WED JUN 18 1997 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST MISSISSIPPI ...PERRY COUNTY...STONE COUNTY AT 6 AM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS OVER PERYY AND STONE COUNTIES OF MISSISSIPPI. RADAR INDICATES DAMAGING WINDS ARE POSSIBLY OCCURRING IN ASSOCIATION WITH THESE STORMS BETWEEN BEAUMONT AND WIGGINS. VERY HEAVY RAINFALL IS ALSO OCCURRING WITH THESE STORMS. FLOODING OF LOW LYING AND POOR DRAINAGE AREAS IS LIKELY. 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 LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT 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.
NWS Mobile, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 3:00 AM CDT, 3 hours 6 minutes earlier.
Area forecast discussion, Jun 18, 3:00 AM CDT, 3 hours 6 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MOBILE ALABAMA 255 AM WED JUN 18 1997 CURRENT SFC MAP SHOWS LOW PRESSURE CENTERED OVER UPPER MISSISSIPPI VALLEY THIS MORNING WITH TROF EXTENDING SOUTHWEST ACROSS NRN MS...SE AR...N LA AND INTO TX. WEAK SFC TROF ALSO NOTED OVER EASTERN MISSISSIPPI. HIGH PRESSURE RIDGE OVER THE GULF OF MEXICO. 00Z RAOB DATA HAD STRONG SHORTWAVE OVER ARKANSAS...AND CURRENT WATER VAPOR IMAGERY SHOWS SHORTWAVE LIFTING TO THE NORTHEAST. 03Z RUC INDICATES VORT LOBE ACROSS MISSISSIPPI...AND WATER VAPOR AND CURRENT 88D DISPLAYS VERIFY THIS WITH SHOWERS DEVELOPING OVER SOUTH MISSISSIPPI DURING PAST COUPLE OF HOURS. 00Z MODELS SIMILAR IN UPPER AIR PATTERN...KEEPING TROFINESS OVER EASTERN PART OF THE COUNTRY THROUGH FCST PERIOD. UPPER SHORTWAVE PROGGED TO CONTINUE TO LIFT OUT...BUT WEAKER VORTICITY PROGGED TO CONTINUE OVER GULF COAST AREA THROUGH END OF PERIOD (00Z FRI). IN ADDITION...AS SFC LOW AND MAIN UPPER SUPPORT MOVES OFF TO THE NORTHEAST...SFC TROF HANGS UP OVER FCST AREA. ABUNDANT LOLVL MOISTURE REMAINS IN PLACE OVER FCST AREA...WITH 00Z DATA INDICATING AREA PWS RANGING FROM AROUND 1.5 TO 2 INCHES. LOLVL SOUTHWEST FLOW PROGGED TO CONTINUE...WHICH WILL KEEP MOIST AIR FLOWING INTO REGION. TIME SECTION ANALYSIS INDICATED UVVS CENTERED AROUND 70MB OVER THE AREA THIS AFTERNOON THROUGH END OF FCST PERIOD. WITH ALL THIS IN MIND...LOOKS LIKE GOOD CHANCE/LIKELY POPS NEEDED FOR TODAY AND TOMORROW...WITH CHANCE POPS TONIGHT. NGM MOS GUIDANCE FOR MOB SCREWED UP TONIGHT...WOULD BE LEANING TOWARD FAN GUIDANCE ANYWAY. OTHERWISE...DAYTIME MAX TEMPS NEAR 90...NIGHTTIME LOWS IN THE 70S. LATEST BUOY DATA SHOWS SOUTH WINDS AROUND 15 KNOTS OVER THE COASTAL WATERS WITH RESULTANT 2-3 FOOT SEAS. WINDS UP TO 20 KNOTS OFFSHORE TODAY...WITH SEAS INCREASING AT TIMES TO AROUND 5 FEET. MOB 88/72/87/72 6453 PNS 88/74/89/74 6343 DTS 87/73/85/73 6343 EVR 87/67/89/68 5343 12
In the hours before
Special weather statement, Jun 18, 5:15 AM CDT, 51 minutes before
ALZ051>64-MSZ067-075-076-078-079-FLZ001>006-191200- HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST AL...NORTHWEST FL AND SOUTHEAST MS NATIONAL WEATHER SERVICE MOBILE ALABAMA 515 AM CDT WED JUN 18 1997 THE TAIL END OF A STRONG UPPER LEVEL DISTURBANCE WELL NORTH OF OUR AREA IS AIDING IN THE DEVELOPMENT OF AN AREA OF SHOWERS AND THUNDERSTORMS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA THIS MORNING. THESE SHOWERS AND STORMS WILL MOVE SLOWLY EAST ACROSS THE AREA THIS MORNING...PRIMARILY ALONG AND NORTH OF I-65. BY EARLY AFTERNOON...A WEAK FRONTAL BOUNDARY WILL APPROACH FROM THE NORTH...AND BECOME EAST-WEST ORIENTED AND NEARLY STATIONARY ACROSS THE REGION THROUGH TONIGHT. THIS BOUNDARY WILL PROVIDE A FOCUS FOR SHOWER AND THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. ABUNDANT LOW LEVEL MOISTURE REMAINS IN PLACE OVER THE REGION...AND WITH AFTERNOON HEATING...THE ATMOSPHERE WILL BECOME MORE UNSTABLE. A FEW ISOLATED STORMS COULD BRIEFLY EXCEED SEVERE LIMITS...BUT WIDESPREAD ORGANIZED SEVERE STORMS ARE NOT EXPECTED. THE MAIN PROBLEM ASSOCIATED WITH THE STORMS TODAY WILL BE HEAVY RAINFALL. RAINFALL ACROSS THE MUCH OF THE REGION YESTERDAY RANGED FROM ONE HALF TO NEARLY 2 INCHES. THE GROUND IN THOSE AREAS REMAINS SATURATED...AND ADDITIONAL HEAVY RAINFALL TODAY AND TONIGHT COULD RESULT IN LOCALIZED FLOODING OF SOME ROADWAYS...AS WELL AS MANY LOW LYING AND POOR DRAINAGE AREAS. ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL DUE TO SEVERE STORMS SHOULD NOT BE REQUIRED TODAY OR THIS EVENING.
Special weather statement, Jun 18, 5:36 AM CDT, 30 minutes before
ALZ051>64-MSZ067-075-076-078-079-FLZ001>006-191200- HAZARDOUS WEATHER OUTLOOK FOR SOUTHWEST AL...NORTHWEST FL AND SOUTHEAST MS NATIONAL WEATHER SERVICE MOBILE ALABAMA 515 AM CDT WED JUN 18 1997 THE TAIL END OF A STRONG UPPER LEVEL DISTURBANCE WELL NORTH OF OUR AREA IS AIDING IN THE DEVELOPMENT OF AN AREA OF SHOWERS AND THUNDERSTORMS OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA THIS MORNING. THESE SHOWERS AND STORMS WILL MOVE SLOWLY EAST ACROSS THE AREA THIS MORNING...PRIMARILY ALONG AND NORTH OF I-65. BY EARLY AFTERNOON...A WEAK FRONTAL BOUNDARY WILL APPROACH FROM THE NORTH...AND BECOME EAST-WEST ORIENTED AND NEARLY STATIONARY ACROSS THE REGION THROUGH TONIGHT. THIS BOUNDARY WILL PROVIDE A FOCUS FOR SHOWER AND THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. ABUNDANT LOW LEVEL MOISTURE REMAINS IN PLACE OVER THE REGION...AND WITH AFTERNOON HEATING...THE ATMOSPHERE WILL BECOME MORE UNSTABLE. A FEW ISOLATED STORMS COULD BRIEFLY EXCEED SEVERE LIMITS...BUT WIDESPREAD ORGANIZED SEVERE STORMS ARE NOT EXPECTED. THE MAIN PROBLEM ASSOCIATED WITH THE STORMS TODAY WILL BE HEAVY RAINFALL. RAINFALL ACROSS THE MUCH OF THE REGION YESTERDAY RANGED FROM ONE HALF TO NEARLY 2 INCHES. THE GROUND IN THOSE AREAS REMAINS SATURATED...AND ADDITIONAL HEAVY RAINFALL TODAY AND TONIGHT COULD RESULT IN LOCALIZED FLOODING OF SOME ROADWAYS...AS WELL AS MANY LOW LYING AND POOR DRAINAGE AREAS. ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGE`MENT PERSONNEL DUE TO SEVERE STORMS SHOULD NOT BE REQUIRED TODAY OR THIS EVENING.
Nearby
Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.