Alert archive / Mississippi / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 12, NWS Jackson, MS

January 5, 2007Choctaw County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 5, 2007, 1:23 AM CST for Choctaw County, Mississippi. It was in force for 34 min. 1 report 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: Jan 5, 2007, 1:23 AM CST (07:23 UTC)
Expired: Jan 5, 2007, 1:57 AM CST
In force: 34 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Choctaw County, MS

The radar

The Columbus AFB radar (KGWX), 106 km from the middle of the area, began a volume at 07:23 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
Jan 5, 1:40 AM CST	TSTM WND DMG	Ackerman, MS	A FEW TREES DOWN IN TOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 17 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jan 5, 1:15 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 7.4 hours before the alert went out and 135 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: 11 J/kg
Mixed-layer CIN: -72 J/kg
Mixed-layer LCL: 633 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 176 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.

000 
WUUS54 KJAN 050723
SVRJAN
MSC019-050815-
/O.NEW.KJAN.SV.W.0012.070105T0723Z-070105T0815Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
123 AM CST FRI JAN 5 2007

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHOCTAW COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 215 AM CST

* AT 123 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF ACKERMAN...MOVING
  NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ACKERMAN BY 130 AM CST

THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH.

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 BASEMENT OR SMALL INTERIOR ROOM.

HIGH WINDS CAN BRING DOWN TREES AND LARGE LIMBS RESULTING IN SERIOUS
INJURY OR PROPERTY DAMAGE. EXERCISE EXTREME CAUTION WHEN OUTDOORS
DURING SUCH STRONG WINDS...AND BE ESPECIALLY AWARE OF OLDER TREES.

LAT...LON 3318 8932 3316 8922 3323 8913 3353 8908
      3351 8927

$$

CME

1 follow-up statement

000 
WWUS54 KJAN 050757
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
157 AM CST FRI JAN 5 2007

MSC019-050807-
/O.CAN.KJAN.SV.W.0012.000000T0000Z-070105T0815Z/
CHOCTAW MS-
157 AM CST FRI JAN 5 2007

...THE SEVERE THUNDERSTORM WARNING FOR CHOCTAW COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE COUNTY.

LAT...LON 3318 8932 3316 8922 3323 8913 3353 8908
      3351 8927

$$

CME

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 Jackson, MS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 4, 10:46 PM CST, 2 hours 37 minutes earlier.

Area forecast discussion, Jan 4, 10:46 PM CST, 2 hours 37 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
1046 PM CST THU JAN 4 2007

.DISCUSSION...
THE TORNADO WATCH HAS BEEN EXTENDED TO INCLUDE AREAS ALONG INTERSTATE
20. CONDITIONS WERE LOOKING MORE FAVORABLE FOR DEVELOPMENT FURTHER
NORTH. A LINE OF STORMS WAS DEVELOPING NEAR INTERSTATE 55 AND WILL
CONTINUE TO TRACK EAST. INCREASING WINDS JUST OFF THE SURFACE HAS
MADE DAMAGING WINDS A CONCERN. WILL UPDATE THE ZONES TO INCLUDE THE
NEW COUNTIES.

&&

.PRELIMINARY POINT TEMPS/POPS...
JACKSON       57  70  52  68 / 100  11   5  53
MERIDIAN      60  70  50  69 / 100  28   4  49
VICKSBURG     55  69  52  67 / 100   8   7  57
HATTIESBURG   62  72  51  73 / 100  30  10  49
NATCHEZ       55  69  55  71 / 100   5   5  59
GREENVILLE    53  63  51  62 / 100  12  13  41
GREENWOOD     57  65  52  66 / 100  13  12  40

&&

.JAN WATCHES/WARNINGS/ADVISORIES...
MS...NONE.
LA...NONE.
AR...NONE.
&&

07

Hazardous weather outlook, Jan 4, 3:11 PM CST, 10 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
311 PM CST THU JAN 04 2007

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
052111-
ADAMS-ASHLEY-ATTALA-BOLIVAR-CARROLL-CATAHOULA-CHICOT-CHOCTAW-
CLAIBORNE-CLARKE-CLAY-CONCORDIA-COPIAH-COVINGTON-EAST CARROLL-
FORREST-FRANKLIN LA-FRANKLIN MS-GRENADA-HINDS-HOLMES-HUMPHREYS-
ISSAQUENA-JASPER-JEFFERSON-JEFFERSON DAVIS-JONES-KEMPER-LAMAR-
LAUDERDALE-LAWRENCE-LEAKE-LEFLORE-LINCOLN-LOWNDES-MADISON LA-
MADISON MS-MARION-MONTGOMERY-MOREHOUSE-NESHOBA-NEWTON-NOXUBEE-
OKTIBBEHA-RANKIN-RICHLAND-SCOTT-SHARKEY-SIMPSON-SMITH-SUNFLOWER-
TENSAS-WARREN-WASHINGTON-WEBSTER-WEST CARROLL-WINSTON-YAZOO-
311 PM CST THU JAN 04 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS

.DAY ONE...TONIGHT AND FRIDAY...

...THUNDERSTORMS...
A STRONG UPPER LEVEL DISTURBANCE WILL PIVOT TOWARD THE REGION
TONIGHT. THIS SYSTEM WILL TRY AND SHIFT A WARM FRONT NORTH INTO
SOUTH MISSISSIPPI THIS EVENING. WITH THIS WARM FRONT DRIFTING
NORTH ALLOWING DEEP MOISTURE TO SLOWLY INCREASE OVER THIS
AREA...COUPLED WITH A GOOD AMOUNT OF WIND SHEAR IN
PLACE...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE OVER
PORTIONS OF SOUTH MISSISSIPPI...MAINLY ALONG AND SOUTH OF THE
HIGHWAY 84 CORRIDOR THIS EVENING.  THE MAIN CONCERN FROM ANY
STORM OVER THIS AREA WILL BE STRONG DAMAGING WINDS AND AN
ISOLATED TORNADO CANNOT BE RULED OUT.

FURTHER NORTH...THE RETURN OF DEEPER GULF MOISTURE WILL BE
LIMITED AHEAD OF THE APPROACHING SYSTEM AND WILL NOT BE
SUFFICIENT TO SUPPORT MUCH IN THE WAY OF SEVERE CONVECTION THIS
EVENING. HOWEVER...A FEW STRONG THUNDERSTORMS CANNOT BE RULED OUT
DURING THE EARLY EVENING HOURS...MAINLY ALONG A WINNSBORO
LOUISIANA TO HAZLEHURST MISSISSIPPI TO QUITMAN LINE.  THESE
STORMS WILL HAVE THE POTENTIAL FOR STRONG GUSTY WINDS UP TO 45
MPH.

...FLOODING...
PERIODS OF HEAVY RAINFALL WILL BE POSSIBLE AS THE DISTURBANCE
SHIFTS OVER THE OUTLOOK AREA TONIGHT. HEAVY RAINFALL WILL BE
POSSIBLE OVER CENTRAL AND EASTERN PORTIONS OF THE OUTLOOK AREA
LATER THIS EVENING ...AND DIMINISHING FROM THE WEST LATE TONIGHT.
 TOTAL RAINFALL AMOUNTS FROM 2 TO 4 INCHES ARE POSSIBLE WITH
LOCALLY HIGHER AMOUNTS POSSIBLE. PONDING WATER WILL BE POSSIBLE
ACROSS THE ENTIRE OUTLOOK AREA.

LOCALIZED FLOODING OF CREEKS OR AREAS OF POOR DRAINAGE WILL BE
POSSIBLE...ESPECIALLY ACROSS EAST CENTRAL LOUISIANA AND SOUTHWEST
AND WEST CENTRAL SECTIONS OF MISSISSIPPI THIS EVENING.

.DAYS TWO THROUGH SEVEN...FRIDAY NIGHT THROUGH THURSDAY...

...DAYS TWO AND THREE...FRIDAY NIGHT THROUGH SUNDAY NIGHT...
ANOTHER LONG PERIOD OF MODERATE TO HEAVY RAINFALL LEADING TO THE
PONDING OF WATER ON ROADS AND MINOR FLOODING IS SHAPING UP FOR
THE SOUTHERN PORTIONS OF THE ARKLAMISS SATURDAY NIGHT INTO
SUNDAY. THIS RAIN IS EXPECTED TO FALL OVER SOME OF THE SAME AREA
THAT HAS RECENTLY RECEIVED HEAVY RAINFALL.

A WAVE OF LOW PRESSURE IS EXPECTED TO MOVE ALONG A STALLED COD
FRONT THAT WILL BE ACROSS THE REGION SATURDAY. RAIN WILL BEGIN
SATURDAY IN THE SOUTH AS THE COLD FRONT MOVES INTO THE AREA AND
CONTINUE UNTIL THE THE WAVE MOVES NORTHEAST OF THE AREA SUNDAY.
SEVERAL INCHES OF RAINFALL WILL BE POSSIBLE WITH THIS SYSTEM.

...DAYS FOUR THROUGH SEVEN...SUNDAY NIGHT THROUGH THURSDAY...
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER CALL TO ACTION STATEMENT...
THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND
EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER
OPERATIONS IS NOT ANTICIPATED THROUGH NEXT THURSDAY.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

In the hours before

Local storm report, Jan 5, 12:33 AM CST, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1233 AM CST FRI JAN 05 2007

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

1130 PM     TSTM WND DMG     5 NW COLUMBIA           31.31N 89.89W
01/04/2007                   MARION             MS   LAW ENFORCEMENT

            THE MARION SHERIFFS OFFICE REPORTED SEVERAL TREES DOWN
            ALONG SHALLOW FIRETOWER ROAD NEAR MORGANTOWN. A ROARING
            SOUND WAS REPORTED WHEN THE WINDS CAME THROUGH THE AREA.

&&

DFH

Local storm report, Jan 5, 12:37 AM CST, 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1237 AM CST FRI JAN 05 2007

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

1130 PM     TSTM WND DMG     10 W COLUMBIA           31.26N 90.00W
01/04/2007                   MARION             MS   EMERGENCY MNGR

            MARION COUNTY EMA REPORTED SCATTERED TREES DOWN ON KNOXO
            ROAD ABOUT A HALF MILE FROM THE WALTHALL COUNTY LINE ON
            U.S. ROUTE 98.

&&

DFH

Local storm report, Jan 5, 12:47 AM CST, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1247 AM CST FRI JAN 05 2007

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

1150 PM     TSTM WND DMG     MAGEE                   31.87N 89.73W
01/04/2007                   SIMPSON            MS   EMERGENCY MNGR

            SIMPSON COUNTY EMA REPORTED SCATTERED TREES DOWN BETWEEN
            MENDENHALL AND MAGEE.

&&

DFH

Local storm report, Jan 5, 1:14 AM CST, 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
114 AM CST FRI JAN 05 2007

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

1225 AM     TSTM WND DMG     CAMP SHELBY             31.18N 89.25W
01/05/2007                   FORREST            MS   EMERGENCY MNGR

            POWER OUTAGE...POSSIBLE TREE ON POWERLINE

1225 AM     TSTM WND DMG     10 S HATTIESBURG        31.17N 89.31W
01/05/2007                   FORREST            MS   EMERGENCY MNGR

            SPORATIC TREES DOWN AROUND THE COUNTY

1250 AM     TSTM WND DMG     HATTIESBURG             31.31N 89.31W
01/05/2007                   FORREST            MS   EMERGENCY MNGR

            SEVERAL TREES DOWN AROUND THE CITY

&&

DFH

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 4, 10:31 PM CST	Severe Thunderstorm Warning	JAN	Hinds	29 min
Jan 4, 10:47 PM CST	Severe Thunderstorm Warning	JAN	Madison, Yazoo	43 min
Jan 4, 11:05 PM CST	Severe Thunderstorm Warning	JAN	Copiah, Lawrence, Simpson	55 min
Jan 4, 11:11 PM CST	Tornado Warning	JAN	Yazoo	27 min
Jan 4, 11:26 PM CST	Severe Thunderstorm Warning	JAN	Jefferson Davis	34 min
Jan 4, 11:55 PM CST	Severe Thunderstorm Warning	JAN	Covington, Smith	40 min
Jan 4, 11:59 PM CST	Severe Thunderstorm Warning	JAN	Forrest, Lamar	31 min
Jan 5, 12:18 AM CST	Severe Thunderstorm Warning	JAN	Jones	42 min
Jan 5, 12:26 AM CST	Tornado Warning	JAN	Jasper, Jones	44 min
Jan 5, 12:34 AM CST	Severe Thunderstorm Warning	JAN	Newton, Scott	41 min
Jan 5, 12:59 AM CST	Severe Thunderstorm Warning	JAN	Attala	16 min
Jan 5, 1:01 AM CST	Severe Thunderstorm Warning	JAN	Neshoba	44 min
Jan 5, 1:04 AM CST	Severe Thunderstorm Warning	JAN	Clarke	41 min
Jan 5, 1:05 AM CST	Tornado Warning	JAN	Neshoba	40 min
Jan 5, 1:28 AM CST	Severe Thunderstorm Warning	JAN	Lauderdale	47 min
Jan 5, 1:34 AM CST	Severe Thunderstorm Warning	JAN	Winston	41 min
Jan 5, 1:40 AM CST	Severe Thunderstorm Warning	JAN	Kemper	39 min
Jan 5, 1:52 AM CST	Severe Thunderstorm Warning	JAN	Noxubee	53 min
Jan 5, 2:01 AM CST	Severe Thunderstorm Warning	JAN	Oktibbeha	33 min
Jan 5, 2:06 AM CST	Tornado Warning	JAN	Noxubee	39 min
Jan 5, 2:10 AM CST	Severe Thunderstorm Warning	JAN	Lowndes	35 min
Jan 5, 2:23 AM CST	Severe Thunderstorm Warning	JAN	Clay	18 min
Jan 5, 2:42 AM CST	Severe Thunderstorm Warning	JAN	Lowndes	33 min
Jan 5, 3:10 PM CST	Dense Fog Advisory	JAN	Adams, Attala, Bolivar, Carroll, Choctaw, Claiborne and 41 more	15 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2007 Every severe thunderstorm warning in 2007

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.