Alert archive / Mississippi / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 377, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Aug 5, 2010, 4:10 PM CDT for Panola County, Tallahatchie County, Yalobusha County, Mississippi. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 5, 2010, 4:10 PM CDT (21:10 UTC)
- Expired
- Aug 5, 2010, 5:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Panola County, MS, Tallahatchie County, MS, Yalobusha County, MS
The radar
The Memphis radar (KNQA), 137 km from the middle of the area, began a volume at 21:13 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
Jackson, MS (KJAN), launched 12:00Z, 9.2 hours before the alert went out and 200 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
- 3854 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 725 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 5, 4:06 PM CDT, 4 minutes earlier.
Area forecast discussion, Aug 5, 4:06 PM CDT, 4 minutes before
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</html>Hazardous weather outlook, Aug 5, 3:35 PM CDT, 35 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MEMPHIS TN 335 PM CDT THU AUG 5 2010 ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115- MSZ001>017-020>024-TNZ001>004-019>021-048>055-088>092-062245- ALCORN-BENTON MS-CALHOUN-CARROLL-CHESTER-CHICKASAW-CLAY-COAHOMA- CRAIGHEAD-CRITTENDEN-CROCKETT-CROSS-DESOTO-DECATUR-DUNKLIN-DYER- FAYETTE-GIBSON-GREENE-HARDEMAN-HARDIN-HAYWOOD-HENDERSON-HENRY- ITAWAMBA-LAFAYETTE-LAKE-LAUDERDALE-LAWRENCE-LEE AR-LEE MS-MADISON- MARSHALL-MCNAIRY-MISSISSIPPI-MONROE-OBION-PANOLA-PEMISCOT- PHILLIPS-POINSETT-PONTOTOC-PRENTISS-QUITMAN-RANDOLPH-SHELBY- ST. FRANCIS-TALLAHATCHIE-TATE-TIPPAH-TIPTON-TISHOMINGO-TUNICA- UNION-WEAKLEY-YALOBUSHA- 335 PM CDT THU AUG 5 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST ARKANSAS... THE MISSOURI BOOTHEEL...NORTH MISSISSIPPI...AND WEST TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT AN EXCESSIVE HEAT WARNING CONTINUES UNTIL 9 PM THIS EVENING OVER MUCH OF THE AREA. HEAT INDEX READINGS WILL BE BETWEEN 110 AND 117 DEGREES AWAY FROM SHOWERS AND THUNDERSTORMS. STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE THROUGH MIDNIGHT. DAMAGING WINDS UP TO 60 MPH...FREQUENT LIGHTNING...HEAVY RAINFALL...AND LOCALIZED FLASH FLOODING ARE THE MAIN HAZARDS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY HEAT INDEX VALUES MAY REACH BETWEEN 105 AND 109 DEGREES OVER NORTH MISSISSIPPI FRIDAY AFTERNOON AND POSSIBLY SATURDAY AFTERNOON. A HEAT ADVISORY MAY BE NEEDED FOR THESE AREAS. A FEW STRONG OR SEVERE THUNDERSTORMS ARE POSSIBLE SOUTH OF A HELENA ARKANSAS TO SAVANNAH TENNESSEE LINE FRIDAY AFTERNOON. DAMAGING WIND AND LOCALLY HEAVY RAINFALL WOULD BE THE MAIN HAZARDS. VERY HOT AND HUMID WEATHER SHOULD RETURN AND RESULT IN EXTREMELY DANGEROUS HEAT INDEX VALUES BETWEEN 105 AND 115 DEGREES SUNDAY INTO NEXT WEEK AS A RIDGE OF HIGH PRESSURE BUILDS INTO THE AREA. ADDITIONAL EXCESSIVE HEAT WARNINGS AND HEAT ADVISORIES ARE POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED IN A FEW AREAS THIS AFTERNOON AND EVENING. MBS
In the hours before
Special weather statement, Aug 5, 12:59 PM CDT, 3 hours 11 minutes before
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</html>Special weather statement, Aug 5, 1:12 PM CDT, 2 hours 58 minutes before
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</html>Special weather statement, Aug 5, 1:38 PM CDT, 2 hours 32 minutes before
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</html>Special weather statement, Aug 5, 2:05 PM CDT, 2 hours 5 minutes before
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</html>Special weather statement, Aug 5, 2:25 PM CDT, 1 hour 45 minutes before
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</html>Special weather statement, Aug 5, 3:10 PM CDT, 1 hour before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 310 PM CDT THU AUG 5 2010 MSZ015-016-023-024-052100- LEE MS-PONTOTOC MS-MONROE MS-CHICKASAW MS- 310 PM CDT THU AUG 5 2010 ...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT WEATHER ADVISORY UNTIL 400 PM CDT FOR... NORTHEASTERN CHICKASAW COUNTY IN NORTHEAST MISSISSIPPI... SOUTHERN LEE COUNTY IN NORTHEAST MISSISSIPPI... NORTHWESTERN MONROE COUNTY IN NORTHEAST MISSISSIPPI... SOUTHEASTERN PONTOTOC COUNTY IN NORTHEAST MISSISSIPPI... A STRONG THUNDERSTORM PRODUCING WINDS AT LEAST 40 MPH WAS LOCATED 3 MILES SOUTHEAST OF TROY AT 310 PM CDT...MOVING SOUTHEAST AT 20 MPH. VERY HEAVY RAIN ALONG WITH CONTINUOUS CLOUD TO GROUND LIGHTNING ARE ALSO POSSIBLE WITH THIS THUNDERSTORM. PEOPLE IN CHICKASAW...LEE...MONROE AND PONTOTOC COUNTIES...INCLUDING LOCATIONS NEAR OKOLONA AND VERONA...SHOULD MONITOR THIS STORM CLOSELY. THIS SIGNIFICANT WEATHER ALERT ALSO INCLUDES DAVIS LAKE.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 3:34 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Henderson | 41 min |
| Aug 5, 3:29 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Chickasaw, Lee, Pontotoc | 46 min |
| Aug 5, 4:11 PM CDT | Severe Thunderstorm Warning | MEG | Panola, Quitman, Tallahatchie | 49 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2010Every severe thunderstorm warning in 2010
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.