Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 308, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jun 15, 1998, 6:25 PM CDT for Calhoun County, Mississippi. It was in force for 45 min. 4 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 15, 1998, 6:25 PM CDT (23:25 UTC)
- Expired
- Jun 15, 1998, 7:10 PM CDT
- In force
- 45 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Calhoun County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 15, 6:45 PM CDT | Hail 1.75 | Big Creek, MS | |
| Jun 15, 6:45 PM CDT | Thunderstorm Wind | Big Creek, MS | The roof of a house was blown off. |
| Jun 15, 7:00 PM CDT | Thunderstorm Wind | Derma, MS | Several trees were knocked down. |
| Jun 15, 7:00 PM CDT | Hail 0.88 | Derma, 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.
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.4 hours before the alert went out and 114 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1811 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 7:16 PM CDT | Severe Thunderstorm Warning | MEG | Henry | 49 min |
| Jun 14, 7:57 PM CDT | Severe Thunderstorm Warning | MEG | Weakley | 48 min |
| Jun 14, 8:17 PM CDT | Severe Thunderstorm Warning | MEG | Henry | 48 min |
| Jun 14, 8:36 PM CDT | Tornado Warning | MEG | Henry | 34 min |
| Jun 14, 9:28 PM CDT | Flash Flood Warning | MEG | Henry, Weakley | 2 hr |
| Jun 14, 9:28 PM CDT | Flash Flood Warning | MEG | Obion | 2 hr |
| Jun 14, 10:50 PM CDT | Severe Thunderstorm Warning | MEG | Monroe | 35 min |
| Jun 14, 7:06 PM CDT | Severe Thunderstorm Warning | MEG | Phillips | 34 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1998Every severe thunderstorm warning in 1998
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.