Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 492, NWS Jackson, MS

June 27, 2001Washington County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 27, 2001, 1:30 PM CDT for Washington County, Mississippi. It was in force for 30 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 27, 2001, 1:30 PM CDT (18:30 UTC)
Expired: Jun 27, 2001, 2:00 PM CDT
In force: 30 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Washington County, MS

What was reported inside it

Time	Report	Where	Remark
Jun 27, 1:35 PM CDT	Hail 1	Leland, MS	Hail of up to quarter size caused minor damage to the roofs of a few cars and buildings.
Jun 27, 1:50 PM CDT	Thunderstorm Wind	Greenville, MS	A carport sustained wind damage in Greenville.

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

Jackson, MS (KJAN), launched 12:00Z, 6.5 hours before the alert went out and 134 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1401 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 857 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 1:10 PM CDT, 20 minutes earlier.

Area forecast discussion, Jun 27, 1:10 PM CDT, 20 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
110 PM CDT WED JUN 27 2001

WIDESPREAD RAIN AND THUNDERSTORMS ASSOCIATED WITH THE MID LEVEL LOW
HAS PROMPTED AN UPDATE OF THE ZONES TO INCREASE RAIN CHANCES IN
ALMOST ALL ZONES AND ADD THE MENTION OF POSSIBLE SEVERE AND HEAVY
RAINFALL.

.JAN...
MS...NONE.
LA...NONE.
AR...NONE.
02

In the hours before

Local storm report, Jun 27, 11:28 AM CDT, 2 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1128 AM CDT WED JUN 27 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

1045 AM    HARDY                     MS   WIND DAMAGE
06/27/01   GRENADA                        E.M.A. REPORTED TREES
                                          DOWN.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 3:18 AM CDT	Severe Thunderstorm Warning	JAN	Lowndes, Noxubee	27 min
Jun 27, 5:08 AM CDT	Severe Thunderstorm Warning	JAN	Lowndes	37 min
Jun 27, 6:27 AM CDT	Flash Flood Warning	JAN	Lowndes	2 hr
Jun 27, 8:06 AM CDT	Severe Thunderstorm Warning	JAN	Clay	39 min
Jun 27, 11:39 AM CDT	Severe Thunderstorm Warning	JAN	Adams	51 min
Jun 27, 12:36 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Jefferson	24 min
Jun 27, 12:59 PM CDT	Severe Thunderstorm Warning	JAN	Washington	31 min
Jun 27, 1:04 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson	26 min
Jun 27, 1:06 PM CDT	Severe Thunderstorm Warning	JAN	Jones	39 min
Jun 27, 2:08 PM CDT	Severe Thunderstorm Warning	JAN	Smith	37 min
Jun 27, 2:14 PM CDT	Severe Thunderstorm Warning	JAN	Scott	31 min
Jun 27, 2:22 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	23 min
Jun 27, 2:43 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey, Washington	32 min
Jun 27, 5:12 PM CDT	Severe Thunderstorm Warning	JAN	Rankin	33 min
Jun 27, 12:14 PM CDT	Severe Thunderstorm Warning	JAN	Tensas	46 min
Jun 27, 2:44 PM CDT	Severe Thunderstorm Warning	JAN	Ashley	31 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2001 Every severe thunderstorm warning in 2001

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.