Alert archive / Mississippi / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 183, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Sep 15, 2002, 5:23 PM CDT for Benton County, Tippah County, Mississippi. It was in force for 37 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
- Sep 15, 2002, 5:23 PM CDT (22:23 UTC)
- Expired
- Sep 15, 2002, 6:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Memphis, TN
- Area
- Counties, with a storm outline in the text
Counties Benton County, MS, Tippah County, MS
The radar
The Memphis radar (KNQA), 97 km from the middle of the area, began a volume at 22:23 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 10.4 hours before the alert went out and 82 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
- 651 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1036 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
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 Sep 15, 2:50 PM CDT, 2 hours 33 minutes earlier.
Area forecast discussion, Sep 15, 2:50 PM CDT, 2 hours 33 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MEMPHIS TN 250 PM CDT SUN SEP 15 2002 COLD FRONT NOW ALONG MISSISSIPPI RIVER THIS AFTERNOON WITH SCATTERED THUNDERSTORMS JUST AHEAD OF FRONT. EXPECT ACTIVITY TO CONTINUE DURING THE EVENING HOURS SO WILL HAVE CHANCE POPS AHEAD OF FRONT. A FEW SHOWERS HAVE DEVELOPED BEHIND FRONT SO WILL LEAVE SLIGHT CHANCE POPS BEHIND FRONT. FRONT WILL STALL OUT SOMEWHERE OVER THE REGION SO WITH BOUNDARY AROUND...WILL LEAVE SOME POPS IN FORECAST FOR MONDAY AND MONDAY NIGHT. UPPER LEVEL LOW SHOULD APPROACH REGION ON TUESDAY WHICH WILL HELP ENHANCE RAIN CHANCE TUESDAY AND TUESDAY NIGHT. PRELIMINARY NUMBERS MEM 73/89/71/87/67 322 MKL 67/87/66/85/65 321 JBR 67/88/66/86/64 211 TUP 71/90/70/87/66 432 .MEG...NONE.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 6:41 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Hardeman, McNairy | 49 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2002Every severe thunderstorm warning in 2002
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.