Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 75, NWS Memphis, TN

April 15, 2001Tishomingo County, Mississippi; Hardin County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Apr 15, 2001, 6:40 AM CDT for Tishomingo County, Mississippi; Hardin County, Tennessee. It was in force for 35 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 15, 2001, 6:40 AM CDT (11:40 UTC)
Expired: Apr 15, 2001, 7:15 AM CDT
In force: 35 min
Issued by: NWS Memphis, TN
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Tishomingo County, MS, Hardin County, TN

What was reported inside it

Time	Report	Where	Remark
Apr 15, 7:00 AM CDT	Hail 0.75	Pickwick Dam, TN

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 15, 5:15 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 11.7 hours before the alert went out and 166 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1037 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 300 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

273 
WUUS54 KMEG 151141
SVRMEM
MSC141-TNC071-151215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
640 AM CDT SUN APR 15 2001

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI
  HARDIN COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 715 AM CDT.

* AT 636 AM CDT...WEATHER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS FROM 10 MILES NORTHWEST OF OLIVE HILL TO 8 MILES
  SOUTHWEST OF BURNSVILLE...MOVING EAST AT 60 MPH.

  AT 635 AM...LOCAL LAW ENFORCEMENT REPORTED DIME SIZE HAIL IN       
  CORINTH.

* CITIES IN THE PATH OF THIS STORM THROUGH 715 AM CDT INCLUDE...
  OLIVE HILL...
  IUKA... WALNUT GROVE...

.DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL ARE LIKELY WITH 
THIS STORM. SEEK SHELTER IN A STURDY BUILDING AND STAY AWAY FROM 
WINDOWS.

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

LAT...LON 3546 8819 3477 8841 3471 8812 3539 8796

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 14, 9:35 PM CDT, 9 hours 5 minutes earlier.

Area forecast discussion, Apr 14, 9:35 PM CDT, 9 hours 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
935 PM CDT SAT APR 14 2001

RADAR SHOWS LITTLE ACTIVITY OVER THE CWA...BUT SHOWERS AND
THUNDERSTORMS CONTINUE OVER CENTRAL AR. EXPECT MOZRE RAIN LATER
TONIGHT...BUT WILL STILL HAVE TO LOWER POPS AND DOWNPLAY THE WORDING
FOR PRECIPITATION TO ACCOUNT FOR THE MAJOR BREAK. TEMPERATURES AND
WINDS ARE ON TRACK.

.MEG...NONE.

012

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 14, 10:42 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma	33 min
Apr 15, 5:39 AM CDT	Severe Thunderstorm Warning	MEG	Marshall	36 min
Apr 15, 5:57 AM CDT	Severe Thunderstorm Warning	MEG	Benton	33 min
Apr 15, 6:13 AM CDT	Severe Thunderstorm Warning	MEG	Alcorn, Tippah	32 min
Apr 15, 5:08 AM CDT	Severe Thunderstorm Warning	MEG	Lauderdale, Shelby, Tipton	37 min
Apr 15, 5:45 AM CDT	Severe Thunderstorm Warning	MEG	Henry	30 min
Apr 15, 6:13 AM CDT	Severe Thunderstorm Warning	MEG	McNairy	32 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2001 Severe Thunderstorm Warnings in Tennessee, 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.