Alert archive / Tennessee / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 191, NWS Memphis, TN

May 15, 2010Carroll County, Gibson County, Weakley County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at May 15, 2010, 6:39 PM CDT for Carroll County, Gibson County, Weakley County, Tennessee. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 15, 2010, 6:39 PM CDT (23:39 UTC)
Expired: May 15, 2010, 7:30 PM CDT
In force: 51 min
Issued by: NWS Memphis, TN
Area: Storm-based polygon

Counties Carroll County, TN, Gibson County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 109 km from the middle of the area, began a volume at 23:39 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

Nashville Metro, TN (KBNA), launched 12:00Z, 11.7 hours before the alert went out and 189 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: 543 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 493 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

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 May 15, 6:36 PM CDT, 3 minutes earlier.

Area forecast discussion, May 15, 6:36 PM CDT, 3 minutes before

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Hazardous weather outlook, May 15, 6:24 PM CDT, 15 minutes before

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In the hours before

Special weather statement, May 15, 4:34 PM CDT, 2 hours 5 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
434 PM CDT SAT MAY 15 2010

TNZ003-004-152215-
HENRY TN-WEAKLEY TN-
434 PM CDT SAT MAY 15 2010

...THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY UNTIL 515 PM CDT FOR...

  SOUTHWESTERN HENRY COUNTY IN NORTHWEST TENNESSEE...
  EASTERN WEAKLEY COUNTY IN NORTHWEST TENNESSEE...

A STRONG THUNDERSTORM PRODUCING PEA SIZE HAIL OR LARGER AND WINDS AT
LEAST 40 MPH WAS LOCATED OVER GLEASON AT 434 PM CDT...MOVING NORTH AT
15 MPH.

VERY HEAVY RAIN IS ALSO POSSIBLE WITH THIS THUNDERSTORM.

PEOPLE IN HENRY AND WEAKLEY COUNTIES SHOULD MONITOR THIS STORM
CLOSELY.

Local storm report, May 15, 4:37 PM CDT, 2 hours 2 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
437 PM CDT SAT MAY 15 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1234 PM     HAIL             3 W PARIS               35.79N 88.45W
05/14/2010  M1.00 INCH       HENDERSON          TN   LAW ENFORCEMENT

1250 PM     HAIL             10 W PARIS              36.30N 88.49W
05/14/2010  E1.75 INCH       HENRY              TN   PUBLIC

            HAIL RANGED FROM DIME TO GOLFBALL SIZE.

0135 PM     HAIL             MCKENZIE                36.14N 88.51W
05/14/2010  M0.88 INCH       CARROLL            TN   TRAINED SPOTTER

0136 PM     HAIL             MCKENZIE                36.14N 88.51W
05/14/2010  M1.00 INCH       CARROLL            TN   LAW ENFORCEMENT

0136 PM     HAIL             MCKENZIE                36.14N 88.51W
05/14/2010  M1.00 INCH       CARROLL            TN   LAW ENFORCEMENT

0220 PM     HAIL             7 W HUNTINGDON          36.01N 88.54W
05/14/2010  E1.00 INCH       CARROLL            TN   PUBLIC

0230 PM     FLASH FLOOD      PARIS                   36.30N 88.31W
05/14/2010                   HENRY              TN   EMERGENCY MNGR

            WATER OVER FAIRGROUND ROAD JUST EAST OF PARIS.

0240 PM     HAIL             2 N HUNTINGDON          36.04N 88.41W
05/14/2010  M0.75 INCH       CARROLL            TN   TRAINED SPOTTER

0300 PM     FLASH FLOOD      MILAN                   35.92N 88.75W
05/14/2010                   GIBSON             TN   LAW ENFORCEMENT

            WATER OVER THE ROAD AT NORTH FIRST STREET AND HIGHWAY 79
            IN MILAN.

0305 PM     TSTM WND DMG     3 SW DECATURVILLE       35.55N 88.16W
05/14/2010                   DECATUR            TN   LAW ENFORCEMENT

            TREES BLOWN DOWN ON BROOKSY THOMPSON ROAD

0400 PM     FLASH FLOOD      7 N PARSONS             35.75N 88.12W
05/14/2010                   DECATUR            TN   EMERGENCY MNGR

            NUMEROUS LOW WATER CROSSING FLOODED FROM EXCESSIVE
            RAINFALL OF 2 TO 3 INCHES IN THE PAST 3 HOURS.

0428 PM     HAIL             PALESTINE               34.97N 90.90W
05/14/2010  E1.75 INCH       ST. FRANCIS        AR   POST OFFICE

0438 PM     HAIL             FORREST CITY            35.01N 90.79W
05/14/2010  M1.00 INCH       ST. FRANCIS        AR   LAW ENFORCEMENT

0440 PM     HAIL             1 N FORREST CITY        35.03N 90.79W
05/14/2010  M0.88 INCH       ST. FRANCIS        AR   TRAINED SPOTTER

0445 PM     HAIL             DECATURVILLE            35.58N 88.12W
05/14/2010  E1.00 INCH       DECATUR            TN   POST OFFICE

            HAIL RANGED FROM DIME TO QUARTER SIZE

0450 PM     HAIL             FORREST CITY            35.01N 90.79W
05/14/2010  M2.00 INCH       ST. FRANCIS        AR   LAW ENFORCEMENT

0450 PM     HAIL             FORREST CITY            35.01N 90.79W
05/14/2010  E1.75 INCH       ST. FRANCIS        AR   TRAINED SPOTTER

0500 PM     HEAVY RAIN       HENDERSON               35.44N 88.65W
05/14/2010  U0.00 INCH       CHESTER            TN   TRAINED SPOTTER

            MINOR STREET FLOODING JUST OFF OF NATCHEZ TRACE DRIVE
            INSIDE THE CITY LIMITS. MARBLE SIZE HAIL WAS ALSO
            REPORTED.

0535 PM     HAIL             3 NE MASSEYVILLE        35.33N 88.68W
05/14/2010  E1.00 INCH       CHESTER            TN   EMERGENCY MNGR

0545 PM     HAIL             WHITEHAVEN              35.02N 90.03W
05/14/2010  E0.88 INCH       SHELBY             TN   TRAINED SPOTTER

            HAIL FELL AT THE INTERSECTION OF TCHULAHOMA AND
            WINCHESTER ROAD.

0546 PM     HAIL             WHITEHAVEN              35.02N 90.03W
05/14/2010  M0.75 INCH       SHELBY             TN   TRAINED SPOTTER

            HAIL FELL AT THE INTERSECTION OF I-240 AND GETWELL RD

0552 PM     HAIL             5 N WHITEHAVEN          35.09N 90.03W
05/14/2010  E1.75 INCH       SHELBY             TN   TRAINED SPOTTER

            HAIL FELL AT UNIVERSITY OF MEMPHIS CAMPUS

0552 PM     HAIL             WHITEHAVEN              35.02N 90.03W
05/14/2010  E0.88 INCH       SHELBY             TN   TRAINED SPOTTER

            HAIL FELL AT THE INTERSECTION OF GETWELL AND AMERICAN WAY
            ROADS.

0602 PM     FLASH FLOOD      WHITEHAVEN              35.02N 90.03W
05/14/2010                   SHELBY             TN   AMATEUR RADIO

            LEFT LANE ON INTERSTATE I-240 NEAR THE I-55 INTERCHANGE
            IS FLOODED

0605 PM     HAIL             4 WNW GERMANTOWN        35.11N 89.86W
05/14/2010  M0.50 INCH       SHELBY             TN   AMATEUR RADIO

            HAIL DIME SIZE AT THE INTERSECTION OF PARK AND MASSEY
            ROADS IN EAST MEMPHIS.

0610 PM     HAIL             ROBINSONVILLE           34.82N 90.32W
05/14/2010  E1.00 INCH       TUNICA             MS   PUBLIC

            FELL AT BEST WESTERN HOTEL

0614 PM     HAIL             2 NE ROBINSONVILLE      34.84N 90.29W
05/14/2010  E0.88 INCH       TUNICA             MS   PUBLIC

0615 PM     HAIL             ARLINGTON               35.28N 89.66W
05/14/2010  E1.00 INCH       SHELBY             TN   PUBLIC

            QUARTER SIZE HAIL REPORTED AT INTERSTATE 40 AND HIGHWAY
            385.

0615 PM     HAIL             2 WNW GERMANTOWN        35.10N 89.82W
05/14/2010  E0.50 INCH       SHELBY             TN   AMATEUR RADIO

            DIME SIZE HAIL REPORTED AT POPLAR AND KIRBY ROADS.

0615 PM     HAIL             ARLINGTON               35.28N 89.66W
05/14/2010  E1.75 INCH       SHELBY             TN   TRAINED SPOTTER

0616 PM     HAIL             ARLINGTON               35.28N 89.66W
05/14/2010  M1.75 INCH       SHELBY             TN   TRAINED SPOTTER

            GOLF BALL HAIL AT HIGHWAY 70 AND AIRLINE RD.

0618 PM     HAIL             BOLIVAR                 35.26N 89.00W
05/14/2010  E1.00 INCH       HARDEMAN           TN   POST OFFICE

0618 PM     HAIL             1 N GERMANTOWN          35.10N 89.79W
05/14/2010  M0.75 INCH       SHELBY             TN   NWS EMPLOYEE

            FALLING AT THE OFFICE

0620 PM     HAIL             1 N GERMANTOWN          35.10N 89.79W
05/14/2010  M1.00 INCH       SHELBY             TN   NWS EMPLOYEE

            FALLING AT THE OFFICE.

0620 PM     HAIL             BOLIVAR                 35.26N 89.00W
05/14/2010  M0.88 INCH       HARDEMAN           TN   TRAINED SPOTTER

0623 PM     HAIL             ARLINGTON               35.28N 89.66W
05/14/2010  E1.25 INCH       SHELBY             TN   TRAINED SPOTTER

            COVERED THE GROUND

0638 PM     HAIL             ROBINSONVILLE           34.82N 90.32W
05/14/2010  E0.50 INCH       TUNICA             MS   LAW ENFORCEMENT

            NUMEROUS REPORTS OF DIME SIZE HAIL ACROSS NORTHERN TUNICA
            COUNTY.

0659 PM     TSTM WND DMG     6 S STANTON             35.38N 89.40W
05/14/2010                   FAYETTE            TN   PUBLIC

            TREES DOWN ON HIGHWAY 222 BETWEEN INTERSTATE 40 AND
            SOMERVILLE.

0700 PM     HAIL             4 S STANTON             35.40N 89.40W
05/14/2010  E1.50 INCH       HAYWOOD            TN   PUBLIC

            1.5 INCH HAIL REPORTED AT A GAS STATION ON INTERSTATE 40
            AND HIGHWAY 222.

0710 PM     HAIL             10 N SOMERVILLE         35.38N 89.35W
05/14/2010  E1.75 INCH       FAYETTE            TN   NWS EMPLOYEE

0710 PM     TSTM WND DMG     10 N SOMERVILLE         35.38N 89.35W
05/14/2010                   FAYETTE            TN   NWS EMPLOYEE

            A TREE WAS SNAPPED IN EXTREME NORTHERN FAYETTE COUNTY.

0722 PM     HAIL             DANCYVILLE              35.42N 89.30W
05/14/2010  E1.75 INCH       HAYWOOD            TN   PUBLIC

&&

CCD

Special weather statement, May 15, 5:01 PM CDT, 1 hour 38 minutes before

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Special weather statement, May 15, 5:04 PM CDT, 1 hour 35 minutes before

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Local storm report, May 15, 5:16 PM CDT, 1 hour 23 minutes before

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Special weather statement, May 15, 5:33 PM CDT, 1 hour 6 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 7:11 PM CDT	Severe Thunderstorm Warning	MEG	Fayette, Hardeman, Haywood, Madison	49 min
May 15, 4:54 PM CDT	Severe Thunderstorm Warning	MEG	Weakley	22 min
May 15, 5:51 PM CDT	Severe Thunderstorm Warning	MEG	Gibson	39 min
May 15, 6:15 PM CDT	Flash Flood Watch	MEG	Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more	29 hr
May 15, 6:29 PM CDT	Severe Thunderstorm Warning	MEG	Dyer, Gibson	31 min
May 15, 6:53 PM CDT	Areal Flood Advisory	MEG	Coahoma	112 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2010 Every severe thunderstorm warning in 2010

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.