Alert archive / Mississippi / Tornado Warnings in 2003

Tornado Warning 104, NWS Memphis, TN

May 7, 2003Calhoun County, Mississippi

NWS Memphis, TN issued this tornado warning at May 7, 2003, 8:20 AM CDT for Calhoun County, Mississippi. It was in force for 40 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: May 7, 2003, 8:20 AM CDT (13:20 UTC)
Expired: May 7, 2003, 9:00 AM CDT
In force: 40 min
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

County Calhoun County, MS

The watch it was issued in

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

Issued	Product	Office	Lasted
May 7, 4:55 AM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 1.3 hours before the alert went out and 118 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: 196 J/kg
Mixed-layer CIN: -170 J/kg
Mixed-layer LCL: 956 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 19 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.

000 
WFUS54 KMEG 071320
TORMEM
MSC013-071400-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
820 AM CDT WED MAY 7 2003

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  CALHOUN COUNTY IN NORTHEAST MISSISSIPPI

* UNTIL 900 AM CDT.

* AT 814 AM CDT...DOPPLER RADAR INDICATED A TORNADO 18 MILES WEST OF
  BIG CREEK...MOVING EAST AT 30 MPH.

* CITIES IN THE PATH OF THIS TORNADO THROUGH 900 AM CDT INCLUDE...
  BIG CREEK...
  PITTSBORO...
  DERMA...CALHOUN CITY...

.IF YOU ARE NEAR THE PATH OF THIS TORNADO...TAKE COVER IN AN INTERIOR
ROOM ON THE LOWEST FLOOR. PROTECT YOUR BODY FROM FLYING DEBRIS.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

LAT...LON 3391 8958 3382 8961 3373 8917 3396 8913

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 8:23 PM CDT	Severe Thunderstorm Warning	MEG	Lafayette	37 min
May 6, 8:43 PM CDT	Severe Thunderstorm Warning	MEG	Pontotoc	47 min
May 6, 9:00 PM CDT	Tornado Warning	MEG	Pontotoc	60 min
May 6, 9:34 PM CDT	Tornado Warning	MEG	Lee	56 min
May 6, 10:12 PM CDT	Tornado Warning	MEG	Itawamba	48 min
May 6, 10:23 PM CDT	Tornado Warning	MEG	Lee	22 min
May 6, 10:41 PM CDT	Tornado Warning	MEG	Tishomingo	49 min
May 6, 10:57 PM CDT	Tornado Warning	MEG	Itawamba	23 min
May 7, 6:36 AM CDT	Tornado Warning	MEG	Coahoma	24 min
May 7, 6:45 AM CDT	Tornado Warning	MEG	Quitman, Tallahatchie	30 min
May 7, 7:28 AM CDT	Tornado Warning	MEG	Tallahatchie	32 min
May 7, 7:54 AM CDT	Tornado Warning	MEG	Yalobusha	51 min
May 7, 8:56 AM CDT	Tornado Warning	MEG	Calhoun, Chickasaw	64 min
May 7, 9:37 AM CDT	Tornado Warning Emergency	MEG	Monroe	53 min
May 7, 10:23 AM CDT	Tornado Warning Emergency	MEG	Monroe	27 min

Nearby

Tornado Warnings in Mississippi, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.