Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 430, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at May 25, 2011, 6:31 PM CDT for Dyer County, Lake County, Obion County, Tennessee; Pemiscot County, Missouri. It was in force for 44 min. 5 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 25, 2011, 6:31 PM CDT (23:31 UTC)
- Expired
- May 25, 2011, 7:15 PM CDT
- In force
- 44 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Pemiscot County, MO, Dyer County, TN, Lake County, TN, Obion County, TN
The radar
The Memphis radar (KNQA), 104 km from the middle of the area, began a volume at 23:33 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 25, 6:40 PM CDT | TSTM WND GST 70 | Cooter, MO | THERE IS SOME WIND DAMAGE. |
| May 25, 6:40 PM CDT | HAIL 1 | Cooter, MO | |
| May 25, 6:50 PM CDT | TSTM WND GST 60 | Caruthersville, MO | STRAIGHT LINES WINDS CAME THROUGH TOWN AT 650 PM AND LASTED FOR 30 MINUTES. NO STUCTURAL DAMAGE. SOME POWER LINES DOWN ACROSS COUNTY. |
| May 25, 6:50 PM CDT | HAIL 0.75 | 1 S Caruthersville, MO | PENNY SIZE HAIL ON SOUTH END OF CITY NEAR INTERSTATE 55 AND HWY 412. |
| May 25, 7:00 PM CDT | FUNNEL CLOUD | 9 W Millsfield, TN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 25, 12:28 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.5 hours before the alert went out and 161 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.
- Mixed-layer CAPE
- 2124 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 600 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 445 m²/s²
- 0-3 km storm-relative helicity
- 413 m²/s²
- Significant tornado parameter
- 6.0
- Supercell composite
- 20.1
The text
As transmitted, in the capitals the NWS used until 2016.
633 WUUS54 KMEG 252331 RRA SVRMEG MOC155-TNC045-095-131-260015- /O.NEW.KMEG.SV.W.0430.110525T2331Z-110526T0015Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 631 PM CDT WED MAY 25 2011 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN DYER COUNTY IN NORTHWEST TENNESSEE... SOUTHERN LAKE COUNTY IN NORTHWEST TENNESSEE... SOUTHWESTERN OBION COUNTY IN NORTHWEST TENNESSEE... EASTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI... * UNTIL 715 PM CDT * AT 631 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CANADY...OR NEAR CARUTHERSVILLE...AND MOVING EAST AT 65 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CARUTHERSVILLE...HAYTI...STEELE...BRAGGADOCIO...SHADE...STUBTOWN... CANADY...COTTONWOOD POINT AND REELFOOT LAKE STATE PARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... .A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A STORM SHELTER OR SMALL INTERIOR ROOM. .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 3641 8932 3605 8929 3604 8985 3627 8986 TIME...MOT...LOC 2331Z 257DEG 56KT 3616 8970 $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 3:30 AM CDT | Wind Advisory | MEG | Dyer, Lake, Lauderdale, Obion, Shelby, Tipton | 16 hr |
| May 25, 5:51 PM CDT | Severe Thunderstorm Warning | MEG | Lake | 39 min |
| May 25, 5:57 PM CDT | Tornado Warning | MEG | Lauderdale | 48 min |
| May 25, 6:18 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Hardin, Henderson, McNairy | 42 min |
| May 25, 6:31 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood, Shelby | 44 min |
| May 25, 6:37 PM CDT | Tornado Warning | MEG | Shelby | 38 min |
| May 25, 6:39 PM CDT | Tornado Warning | MEG | Dyer | 51 min |
| May 25, 6:55 PM CDT | Tornado Warning | MEG | Dyer, Lake, Obion | 35 min |
| May 25, 4:52 PM CDT | Tornado Warning | MEG | Dunklin | 38 min |
| May 25, 5:15 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 45 min |
| May 25, 5:26 PM CDT | Tornado Warning | MEG | Dunklin | 49 min |
| May 25, 5:58 PM CDT | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 47 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2011Severe Thunderstorm Warnings in Missouri, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.