Alert archive / Mississippi / Special Weather Statements in 2017
Special Weather Statement, NWS Jackson, MS
NWS Jackson, MS issued this special weather statement at Jul 18, 2017, 4:36 PM CDT for Hinds County, Mississippi. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2017, 4:36 PM CDT (21:36 UTC)
- Expired
- Jul 18, 2017, 5:00 PM CDT
- In force
- 24 min
- Issued by
- NWS Jackson, MS
County Hinds County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 66 km from the middle of the area, began a volume at 21:38 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, 9.6 hours before the alert went out and 59 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
- 1236 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 649 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Jackson, MS wrote its last area forecast discussion before this special weather statement went out at Jul 18, 4:07 PM CDT, 29 minutes earlier.
Area forecast discussion, Jul 18, 4:07 PM CDT, 29 minutes before
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</html>Hazardous weather outlook, Jul 18, 4:22 PM CDT, 14 minutes before
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Special weather statement, Jul 18, 2:25 PM CDT, 2 hours 11 minutes before
Special Weather Statement
National Weather Service Jackson MS
225 PM CDT TUE JUL 18 2017
MSZ053-054-182000-
Copiah MS-Claiborne MS-
225 PM CDT TUE JUL 18 2017
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN CLAIBORNE AND
WESTERN COPIAH COUNTIES UNTIL 300 PM CDT...
At 225 PM CDT, Meteorologists were tracking a strong thunderstorm
near Barlow, or 12 miles west of Hazlehurst, moving west at 10 mph.
Dime size hail and winds in excess of 40 mph will be possible with
this storm.
This strong thunderstorm will be near...
Barlow around 250 PM CDT.
Allen around 300 PM CDT.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 3178 9074 3179 9078 3195 9082 3200 9054
3172 9047 3170 9063 3170 9073
TIME...MOT...LOC 1925Z 077DEG 8KT 3185 9060
JMSpecial weather statement, Jul 18, 3:53 PM CDT, 43 minutes before
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</html>Special weather statement, Jul 18, 4:36 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 7:11 PM CDT | Special Weather Statement | JAN | Clarke | 34 min |
| Jul 17, 9:50 PM CDT | Special Weather Statement | JAN | Noxubee, Winston | 25 min |
| Jul 17, 10:23 PM CDT | Special Weather Statement | JAN | Winston | 37 min |
| Jul 18, 2:25 PM CDT | Special Weather Statement | JAN | Copiah | 35 min |
| Jul 18, 3:53 PM CDT | Special Weather Statement | JAN | Claiborne | 52 min |
Nearby
Special Weather Statements in Mississippi, 2017Every special weather statement in 2017
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.