Alert archive / Mississippi / Tornado Warnings in 2004

Tornado Warning 86, NWS Memphis, TN

December 7, 2004Monroe County, Mississippi

NWS Memphis, TN issued this tornado warning at Dec 7, 2004, 2:31 AM CST for Monroe County, Mississippi. It was in force for 29 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: Dec 7, 2004, 2:31 AM CST (08:31 UTC)
Expired: Dec 7, 2004, 3:00 AM CST
In force: 29 min
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

County Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 26 km from the middle of the area, began a volume at 08:32 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 watch it was issued in

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

Issued	Product	Office	Lasted
Dec 6, 11:20 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 8.5 hours before the alert went out and 156 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: 5 J/kg
Mixed-layer CIN: -192 J/kg
Mixed-layer LCL: 820 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 238 m²/s²
0-3 km storm-relative helicity: 280 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KMEG 070831
TORMEG
MSC095-070900-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
231 AM CST TUE DEC 7 2004

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

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

* UNTIL 300 AM CST

* AT 231 AM CST...NATIONAL WEATHER SERVICE RADAR INDICATED A
  THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 8 MILES SOUTHWEST OF
  NETTLETON...MOVING NORTHEAST AT 65 MPH.

* CITIES IN THE PATH OF THIS STORM THROUGH 245 AM CST INCLUDE...
  NETTLETON...
  SMITHVILLE...

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

.IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT.

.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 3399 8871 3409 8871 3408 8831 3407 8838
      3403 8847 3403 8850 3399 8860 3400 8864

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 7, 1:30 AM CST	Flash Flood Warning	MEG	Calhoun, Yalobusha	2 hr
Dec 7, 2:04 AM CST	Severe Thunderstorm Warning	MEG	Calhoun, Chickasaw	26 min
Dec 7, 2:13 AM CST	Tornado Warning	MEG	Chickasaw, Lee, Pontotoc	47 min
Dec 7, 2:36 AM CST	Flash Flood Warning	MEG	Alcorn, Itawamba, Lee, Prentiss, Tishomingo	114 min

Nearby

Tornado Warnings in Mississippi, 2004 Every tornado warning in 2004 Tornadoes in 2004

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.