Alert archive / Tennessee / Flash Flood Warnings in 2010

Flash Flood Warning 41, NWS Huntsville, AL

July 26, 2010Lincoln County, Tennessee

NWS Huntsville, AL issued this flash flood warning at Jul 26, 2010, 1:36 PM CDT for Lincoln County, Tennessee. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 26, 2010, 1:36 PM CDT (18:36 UTC)
Expired
Jul 26, 2010, 4:30 PM CDT
In force
3 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
None

County Lincoln County, TN

The radar

The Northeast Alabama radar (KHTX), 52 km from the middle of the area, began a volume at 18:37 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, 6.6 hours before the alert went out and 110 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2010-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2777 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2010-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
2777 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
817 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Huntsville, AL wrote its last area forecast discussion before this flash flood warning went out at Jul 26, 11:37 AM CDT, 1 hour 59 minutes earlier.

Area forecast discussion, Jul 26, 11:37 AM CDT, 1 hour 59 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1137 AM CDT MON JUL 26 2010

.UPDATE...ADJUSTED FOR HOURLY TRENDS.
&&

.AVIATION...FOR 18Z TAFS.
TCU/CBS HAVE DVLPD ACROSS SRN TN...AND THIS ACTIVITY WILL EXPAND
INTO NRN AL THIS AFTN.  THE STORMS WILL LIKELY AFFECT AREAS VCNTY OF
KMSL AND KHSV BY 20Z...LASTING THRU ~03Z.  HAVE LEFT TS OUT OF
PREVAILING FCST...BUT HAVE INCLUDED VCTS AT BOTH SITES.  VFR CONDS
SHOULD OCCUR TNGT...UNTIL SOME MVFR VSBYS DUE TO BR DVLP BY 10Z.
&&

.DISCUSSION.../ISSUED AT 1017 AM CDT MON JUL 26 2010/
EARLIER MID/HIGH CLOUDS HAVE DISSIPATED OR MOVED NEWD...LEAVING
PLENTIFUL SUNSHINE THIS MORNING.  AS A RESULT...HEATING IS
GENERATING CU RAPIDLY S OF THE TN RIVER.  GIVEN SUCH LOW LEVEL
BUOYANCY...TCU/CBS ARE XPCTD BY 18Z S OF THE RIVER...SPREADING
SLOWLY N-NEWD THRU THE AFTN PER UPPER LEVEL STEERING FLOW. WE ARE
SEEING VERY SULTRY CONDITIONS ALREADY...WITH DEW POINTS IN THE
M-U70S...AND HI'S IN THE M-U90S. HAVE UPDATED THE HWO TO INCLUDE
HEAT AWARENESS...AND WL CONSIDER AN ADVISORY AS TRENDS EVOLVE. THE
BMX/RSA SOUNDINGS SHOW VERY WET PROFILES THROUGH THE COLUMN WITH
PW'S OF 2-2.2 INCHES.  LOCALLY HEAVY RAIN AND LIGHTNING APPEAR TO
THE BE MAIN THREATS THIS AFTN/EVNG...BUT WET DOWNBURSTS CANNOT BE
RULED OUT WITH DCAPE VALUES OF AROUND 1200 J/KG.
&&

.CLIMATE...
THE AVERAGE JULY TEMPERATURE FOR HUNTSVILLE NOW STANDS AT 83.5
DEGREES...WHICH IS THE 4TH WARMEST JULY TO DATE ON RECORD.
HOWEVER...IF CURRENT FORECAST TEMPS VERIFY THROUGH THE REMAINDER OF
THE MONTH...THIS JULY WILL ECLIPSE JULY 1930 AS THE WARMEST ON
RECORD.
&&

.HUN WATCHES/WARNINGS/ADVISORIES...
AL...NONE.
TN...NONE.
&&

AVIATION...KULA
DISCUSSION...KULA
CLIMATE...KDW
Hazardous weather outlook, Jul 26, 11:56 AM CDT, 1 hour 40 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1156 AM CDT MON JUL 26 2010

ALZ001>010-016-TNZ076-096-097-270200-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
1156 AM CDT MON JUL 26 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS
OF SOUTHERN MIDDLE TENNESSEE.

.DAY ONE...TODAY AND TONIGHT...

SCATTERED STRONG THUNDERSTORMS WILL DEVELOP TODAY THROUGH THIS
EVENING.  THE PRIMARY THREATS WILL BE SUDDEN FREQUENT LIGHTNING AND
HEAVY RAIN.  LOCALIZED FLASH FLOODING IS POSSIBLE...ESPECIALLY WITH
SLOW MOVING STORMS.  A FEW STORMS WILL BE CAPABLE OF PRODUCING BRIEF
GUSTY WINDS OF 40 MPH OR HIGHER.

OUTSIDE OF THE STORMS...HOT AND HUMID CONDITIONS WILL PREVAIL THIS
AFTERNOON. DAYTIME TEMPERATURES ARE FORECAST TO BE IN THE LOW TO
MID 90S WITH HEAT INDEX READINGS APPROACHING 105 DEGREES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY...

ISOLATED TO SCATTERED...MAINLY AFTERNOON AND EVENING...
THUNDERSTORMS CAN BE EXPECTED EACH DAY. PRIMARY THREATS WITH
STRONGER STORMS WILL BE LOCALLY HEAVY RAIN AND BRIEF GUSTY WINDS.

OUTSIDE OF THE STORMS...HOT AND HUMID CONDITIONS WILL PREVAIL
THROUGH THE WEEKEND. BEYOND TUESDAY...DAYTIME TEMPERATURES ARE
FORECAST TO BE IN THE MID TO UPPER 90S WITH HEAT INDEX READINGS
APPROACHING 105 DEGREES.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
POSSIBLE ON AN AS NEEDED BASIS.

KULA

In the hours before

Special weather statement, Jul 26, 12:04 PM CDT, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1204 PM CDT MON JUL 26 2010

TNZ096-261730-
LINCOLN-
1204 PM CDT MON JUL 26 2010

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LINCOLN COUNTY UNTIL
1230 PM CDT...

AT 1203 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR CARMARGO...MOVING EAST AT 5 MPH.

PEA SIZE HAIL...WINDS UP TO 40 MPH...AND FREQUENT CLOUD TO GROUND
LIGHTNING ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  BELLEVIEW.
  SKINEM.
  MOLINO...FAYETTEVILLE.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 3522 8658 3503 8645 3502 8664 3511 8671
TIME...MOT...LOC 1703Z 263DEG 5KT 3509 8662

20
Special weather statement, Jul 26, 12:15 PM CDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1215 PM CDT MON JUL 26 2010

TNZ097-261745-
FRANKLIN-
1215 PM CDT MON JUL 26 2010

...SIGNIFICANT WEATHER ADVISORY FOR FRANKLIN COUNTY UNTIL 1245 PM
CDT...

AT 1210 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR JERICHO...MOVING NORTHEAST AT 10 MPH.

WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  KELLER CREEK.
  RURAL LOCATIONS EAST OF HUNTLAND.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 3515 8604 3502 8596 3499 8605 3499 8612
      3505 8617
TIME...MOT...LOC 1713Z 240DEG 7KT 3504 8607

20
Special weather statement, Jul 26, 12:32 PM CDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1232 PM CDT MON JUL 26 2010

TNZ096-261815-
LINCOLN-
1232 PM CDT MON JUL 26 2010

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN LINCOLN COUNTY
UNTIL 115 PM CDT...

AT 1231 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR PETERSBURG...DRIFTING SOUTHWEST AT AROUND
5 MPH.

PENNY SIZE HAIL...WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  PETERSBURG.
  HOWELL.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 3537 8653 3536 8652 3517 8664 3527 8680
      3527 8674 3528 8673 3530 8671 3535 8660
      3537 8660 3538 8659
TIME...MOT...LOC 1731Z 029DEG 7KT 3536 8667

20
Special weather statement, Jul 26, 12:35 PM CDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1235 PM CDT MON JUL 26 2010

ALZ009-261800-
JACKSON-
1235 PM CDT MON JUL 26 2010

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL JACKSON COUNTY UNTIL 100
PM CDT...

AT 1235 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR SKYLINE...MOVING NORTHEAST AT 10 MPH.

WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  HYTOP.
  WESTERN PORTIONS OF FACKLER.
  MUD CREEK.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 3497 8608 3482 8584 3472 8607 3478 8615
TIME...MOT...LOC 1734Z 212DEG 10KT 3480 8605

20
Special weather statement, Jul 26, 1:18 PM CDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
118 PM CDT MON JUL 26 2010

TNZ096-261845-
LINCOLN-
118 PM CDT MON JUL 26 2010

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN LINCOLN COUNTY UNTIL
145 PM CDT...

AT 117 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM BETWEEN LINCOLN AND BELLEVIEW. THIS STORM WAS
NEARLY STATIONARY.

FREQUENT CLOUD TO GROUND LIGHTNING AND HEAVY DOWNPOURS ARE EXPECTED
WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  EASTERN PORTIONS OF BELLEVIEW.
  WESTERN PORTIONS OF LINCOLN.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 3511 8655 3505 8645 3500 8655 3503 8660
TIME...MOT...LOC 1816Z 236DEG 2KT 3505 8653

KTW
Special weather statement, Jul 26, 1:35 PM CDT, 1 minute before
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The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 25, 9:20 PM CDTSpecial Weather StatementHUNCullman40 min
Jul 25, 9:42 PM CDTFlash Flood WarningHUNCullman2 hr
Jul 26, 11:47 AM CDTSpecial Weather StatementHUNJackson43 min
Jul 26, 12:26 PM CDTHeat AdvisoryHUNColbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more6 hr
Jul 26, 12:35 PM CDTSpecial Weather StatementHUNJackson25 min
Jul 26, 1:56 PM CDTSevere Thunderstorm WarningHUNMadison19 min
Jul 26, 2:02 PM CDTSpecial Weather StatementHUNLimestone43 min
Jul 26, 2:13 PM CDTSevere Thunderstorm WarningHUNJackson26 min
Jul 26, 2:37 PM CDTSpecial Weather StatementHUNLimestone, Madison38 min
Jul 26, 2:49 PM CDTSpecial Weather StatementHUNDeKalb26 min
Jul 26, 2:56 PM CDTSpecial Weather StatementHUNMadison34 min
Jul 26, 3:07 PM CDTSpecial Weather StatementHUNDeKalb23 min
Jul 26, 3:14 PM CDTSevere Thunderstorm WarningHUNDeKalb46 min
Jul 26, 3:21 PM CDTSevere Thunderstorm WarningHUNDeKalb39 min
Jul 26, 3:32 PM CDTSpecial Weather StatementHUNJackson28 min
Jul 26, 3:51 PM CDTSevere Thunderstorm WarningHUNJackson, Marshall24 min
Jul 26, 4:09 PM CDTSpecial Weather StatementHUNJackson51 min
Jul 26, 4:11 PM CDTFlash Flood WarningHUNDeKalb118 min
Jul 26, 4:16 PM CDTSevere Thunderstorm WarningHUNDeKalb36 min
Jul 26, 4:22 PM CDTSpecial Weather StatementHUNMarshall23 min
Jul 26, 4:46 PM CDTSpecial Weather StatementHUNMarshall44 min
Jul 26, 5:09 PM CDTFlash Flood WarningHUNCullman62 min
Jul 26, 5:33 PM CDTSpecial Weather StatementHUNFranklin27 min
Jul 26, 5:59 PM CDTSpecial Weather StatementHUNColbert46 min
Jul 26, 6:44 PM CDTSevere Thunderstorm WarningHUNFranklin31 min
Jul 26, 12:04 PM CDTSpecial Weather StatementHUNLincoln26 min
Jul 26, 12:15 PM CDTSpecial Weather StatementHUNFranklin30 min
Jul 26, 12:32 PM CDTSpecial Weather StatementHUNLincoln43 min
Jul 26, 1:01 PM CDTSevere Thunderstorm WarningHUNMoore44 min
Jul 26, 1:12 PM CDTFlash Flood WarningHUNMoore78 min
Jul 26, 1:18 PM CDTSpecial Weather StatementHUNLincoln27 min
Jul 26, 1:35 PM CDTSpecial Weather StatementHUNLincoln25 min
Jul 26, 2:00 PM CDTSpecial Weather StatementHUNLincoln45 min
Jul 26, 6:29 PM CDTSpecial Weather StatementHUNHardin31 min

Nearby

Flash Flood Warnings in Tennessee, 2010Every flash flood 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.