Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 37, NWS Memphis, TN

April 3, 2001Union County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 3, 2001, 5:28 AM CDT for Union County, Mississippi. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Apr 3, 2001, 5:28 AM CDT (10:28 UTC)
Expired: Apr 3, 2001, 6:00 AM CDT
In force: 32 min
Issued by: NWS Memphis, TN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Union County, MS

What was reported inside it

Time	Report	Where	Remark
Apr 3, 5:45 AM CDT	Hail 0.75	Ingomar, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 3, 5:00 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 10.5 hours before the alert went out and 92 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: 250 J/kg
Mixed-layer CIN: -169 J/kg
Mixed-layer LCL: 1207 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 178 m²/s²
0-3 km storm-relative helicity: 307 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KMEG 031030
SVRMEM
MSC145-031100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
528 AM CDT TUE APR 3 2001

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  UNION COUNTY IN NORTHEAST MISSISSIPPI

* UNTIL 600 AM CDT.

* AT 525 AM CDT...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM      
  JUST WEST OF PINEDALE...MOVING EAST AT 30 MPH.

* CITIES IN THE PATH OF THIS STORM THROUGH 600 AM CDT INCLUDE...
  PINEDALE...ETTA...
  NEW ALBANY...
  NEW HARMONY...
  BLUE SPRINGS...KEOWNVILLE...

.DAMAGING WINDS AND LARGE HAIL ARE LIKELY WITH THIS STORM. SEEK
SHELTER IN A STURDY BUILDING AND ST8AY AWAY FROM WINDOWS.

.STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST
UPDATES AND INFORMATION.

LAT...LON 3450 8924 3433 8924 3438 8881 3461 8872

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 Apr 3, 2:35 AM CDT, 2 hours 53 minutes earlier.

Area forecast discussion, Apr 3, 2:35 AM CDT, 2 hours 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
235 AM CDT TUE APR 3 2001

CURRENTLY...WARM FRONT POSITIONED ACROSS THE NRN TIER OF THE CWFA W/
DWPTS IN THE MID 50S TO NEAR 60 IN THE WARM SECTOR. A COLD FRONT WAS
POSITIONED FROM NRN MO INTO CENTRAL IL/IN. KNQA RADAR SHOWS WDLY SCT
SHRA W/ A SLIGHTLY HIGHER CONCENTRATION NEAR THE LAND BETWEEN THE
LAKES. SOLID AREA OF CONVECTION NOTED NORTH OF THE WARM FRONT ACROSS
SRN IL AND WRN KY.

MAIN FCST CONCERNS CONTINUE TO BE POSITION OF THE SFC FEATURES AND
CONCURRENT PCPN POTENTIAL. MODEL QPFS ALL OVER THE BOARD THIS
MORNING. IT IS DIFFICULT TO PINPOINT ANY UPPER LEVEL FEATURES OR
FOCUSING MECHANISMS FOR ORGANIZED WARM SECTOR DEVELOPMENT TODAY.
THUS...CURRENT THINKING IS TO GO WITH EXPERIENCE OF THE LAST 24 HRS
AND FOCUS POPS VCNTY THE SFC BOUNDARY.

EXPECT FRONT TO REMAIN NEARLY STATIONARY TODAY. HOWEVER...WARM FRONT
WILL LIKELY GET ABSORBED BY THE SWD MOVING COLD FRONT TNGT/WED AS A
SFC HIGH BUILDS ACROSS THE GREAT LAKES. THUS...WILL INCLUDE SLIGHTLY
HIGHER POPS ACROSS SRN ZONES FOR WED AND WED EVENING...BUT STILL IN
THE CHC POPS RANGE. MID LEVE RIDGE AMPLIFIES ACROSS THE MID SOUTH
LATER IN THE WORK WEEK AS A TROUGH DIGS ACROSS THE INTERMTN REGION.
THUS...WILL CONTINUE DRY FCST FOR THU/FRI TIME RANGE.

AS FOR TEMPS...TRENDED SLIGHTLY HIGHER THAN FWC MOS THE NEXT COUPLE
OF PERIODS. OHX...THANKS FOR THE COORDINATION.
f
MEM 078/064 078/063 4343
MKL 074/060 074/059 6432
JBR 077/061 077/062 4332
TUP 078/062 078/063 5353

.MEG...NONE.

CBD

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 3, 3:59 AM CDT	Severe Thunderstorm Warning	MEG	Lee	31 min
Apr 3, 4:30 AM CDT	Severe Thunderstorm Warning	MEG	Itawamba	30 min
Apr 3, 4:52 AM CDT	Tornado Warning	MEG	Itawamba	13 min
Apr 3, 5:06 AM CDT	Severe Thunderstorm Warning	MEG	Panola	24 min
Apr 3, 5:55 AM CDT	Severe Thunderstorm Warning	MEG	Lee	35 min
Apr 3, 6:06 AM CDT	Severe Thunderstorm Warning	MEG	Itawamba, Prentiss, Tishomingo	34 min
Apr 3, 6:13 AM CDT	Severe Thunderstorm Warning	MEG	Panola, Tate	32 min
Apr 3, 6:35 AM CDT	Severe Thunderstorm Warning	MEG	Union	35 min
Apr 3, 7:02 AM CDT	Severe Thunderstorm Warning	MEG	Monroe	28 min
Apr 3, 7:40 AM CDT	Severe Thunderstorm Warning	MEG	Panola	35 min
Apr 3, 9:47 AM CDT	Severe Thunderstorm Warning	MEG	Pontotoc	28 min
Apr 3, 10:03 AM CDT	Severe Thunderstorm Warning	MEG	Lee	27 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.