Alert archive / Tennessee / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 269, NWS Memphis, TN

November 28, 2001Madison County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Nov 28, 2001, 6:49 PM CST for Madison County, Tennessee. It was in force for 41 min. No storm report in the archive falls 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.

The facts

Issued: Nov 28, 2001, 6:49 PM CST (00:49 UTC)
Expired: Nov 28, 2001, 7:30 PM CST
In force: 41 min
Issued by: NWS Memphis, TN
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Madison County, TN

The radar

The Memphis radar (KNQA), 96 km from the middle of the area, began a volume at 00:53 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 nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 0.8 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: 21 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 374 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 498 m²/s²
0-3 km storm-relative helicity: 532 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.

364 
WUUS54 KMEG 290049
SVRMEM
TNC113-290130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
649 PM CST WED NOV 28 2001

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 730 PM CST.

* AT 647 PM CST...WEATHER RADAR INDICATED A SEVERE THUNDERSTORM OVER
  ADAIR...MOVING NORTHEAST AT 45 MPH.

* CITIES IN THE PATH OF THIS STORM THROUGH 730 PM CST INCLUDE...
  BEMIS...
  JACKSON...FAIRVIEW...
  SPRING CREEK...

.DAMAGING WINDS 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 3571 8904 3547 8908 3556 8864 3584 8861

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 Nov 28, 1:56 PM CST, 4 hours 53 minutes earlier.

Area forecast discussion, Nov 28, 1:56 PM CST, 4 hours 53 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
156 PM CST WED NOV 28 2001

STATIONARY FRONT ALONG ROUGHLY A NE/SW LINE THRU TUP THIS AFTN. KNQA
SHOWS A LARGE AREA OF MDT-HVY PRECIP POISED TO MOVE INTO WRN PART OF
THE CWFA OVER THE NEXT COUPLE OF HOURS. SFC BOUNDARY WL MOVE SLIGHTLY
NWWD OVRNGT AS UPR TROF BEGINS TO MOVE OUT OF TX. STRONG OVERRUNNING
WL CONT ACRS THE BOUNDARY OVRNGT WL RESULT IN RAIN...HEAVY AT TIMES
FOR THE ENTIRE CWFA. MAY BE SOME TSTMS S OF THE BNDRY IN THE WARM
SECTOR. N OF THE BNDRY SOME ELEVATED TSTMS POSSIBLE ALSO. TEMPS WL
BE TRICKY OVRNGT AS FNT DEPENDING ON HOW MUCH FRONT MOVES TO THE NW.

VIGOROUS UPR TROF MOVES OUT OF THE TX TH AFTN...BECOMING NEGATIVELY
TITLED. LOW WL STRENGTHEN AND MOVE ACRS NE MS AND ALONG THE TN RIVER
IN THE AFTN. TREMENDOUS UVV ASSOCD WITH SYSTEM THANKS TO AN ENORMOUS
AMOUNT OF PVA. EXPECT RAIN...OCCASIONALLY HEAVY THROUGHOUT THE DAY.
BEST CHANCE FOR SEVERE WEATHER WL BE ON THE WARM SIDE OF THE BNDRY
MAINLY ACRS NE MS THU AFTN. MANY FACTORS COME TOGETHER FOR NE MS WITH
MODERATE INSTABILITY...STRONG LOW LEVEL SHEAR AND STRONG LOW LEVEL
CONVERGENCE IN PLACE IN THE AFTERNOON. WL MENTION THE POSSIBILITY OF
SEVERE STORMS IN ZONES.

TROF MOVES QUICKLY NEWD ON THU NIGHT AND PRECIP WL END BY MIDNIGHT.
SKIES WL REMAIN CLOUDY WITH PLENTY OF LEFT OVER LOW LEVEL MOISTURE
AROUND.

DRY SW FLOW ON FRI. A SHORTWAVE PASSES TO THE N ON SATURDAY AND
MAY RESULT IN A LITTLE MORE CLOUDINESS. SUN-TUE LOOKS DRY WITH FAST
ZONAL FLOW. CHC OF RAIN WED AS SFC HI MOVES OFF THE SE COAST AND
SOME OVERRUNNING DEVELOPS.

.MEG...FLASH FLOOD WATCH THROUGH THURSDAY ENTIRE CWFA.
SJM

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 28, 6:14 PM CST	Severe Thunderstorm Warning	MEG	Crockett, Haywood	46 min
Nov 28, 6:56 PM CST	Severe Thunderstorm Warning	MEG	Gibson, Weakley	34 min
Nov 28, 7:27 PM CST	Flash Flood Warning	MEG	Weakley	3 hr
Nov 28, 8:32 PM CST	Flash Flood Warning	MEG	Hardeman	4 hr
Nov 29, 12:21 AM CST	Flash Flood Warning	MEG	Hardeman	4 hr
Nov 29, 3:06 AM CST	Flash Flood Warning	MEG	Decatur	3 hr
Nov 29, 4:01 PM CST	Flash Flood Warning	MEG	Carroll, Crockett, Decatur, Dyer, Gibson, Henderson and 3 more	4 hr

Nearby

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.