Alert archive / Mississippi / Tornado Warnings in 2012
Tornado Warning 40, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at May 12, 2012, 2:10 PM CDT for Simpson County, Smith County, Mississippi. It was in force for 30 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
- May 12, 2012, 2:10 PM CDT (19:10 UTC)
- Expired
- May 12, 2012, 2:40 PM CDT
- In force
- 30 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
Counties Simpson County, MS, Smith County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 49 km from the middle of the area, began a volume at 19:10 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 12, 2:15 PM CDT | HAIL 0.5 | 3 Ne Magee, MS | DIME SIZE HAIL IN THE DRY CREEK COMMUNITY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.2 hours before the alert went out and 59 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
- 834 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 533 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
132 WFUS54 KJAN 121910 TORJAN MSC127-129-122000- /O.NEW.KJAN.TO.W.0040.120512T1910Z-120512T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 210 PM CDT SAT MAY 12 2012 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * TORNADO WARNING FOR... EASTERN SIMPSON COUNTY IN CENTRAL MISSISSIPPI... THIS INCLUDES THE CITY OF MAGEE... CENTRAL SMITH COUNTY IN CENTRAL MISSISSIPPI... * UNTIL 300 PM CDT * AT 210 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO JUST NORTH OF MAGEE AND EAST SANATORIUM MOVING NORTHEAST AT 20 MPH. * THE TORNADO WILL BE NEAR... MARTINVILLE BY 215 PM CDT... RALEIGH BY 255 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION NOW. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 3212 8949 3192 8942 3179 8976 3198 8981 TIME...MOT...LOC 1910Z 237DEG 17KT 3191 8973 $$ 40
2 follow-up statements
973 WWUS54 KJAN 121926 SVSJAN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 226 PM CDT SAT MAY 12 2012 MSC127-121936- /O.CAN.KJAN.TO.W.0040.000000T0000Z-120512T2000Z/ SIMPSON MS- 226 PM CDT SAT MAY 12 2012 ...THE TORNADO WARNING FOR EASTERN SIMPSON COUNTY IS CANCELLED... LAT...LON 3183 8965 3201 8966 3212 8949 3192 8942 TIME...MOT...LOC 1926Z 237DEG 17KT 3195 8965 $$ MSC129-122000- /O.CON.KJAN.TO.W.0040.000000T0000Z-120512T2000Z/ SMITH MS- 226 PM CDT SAT MAY 12 2012 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR CENTRAL SMITH COUNTY... AT 226 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS TORNADO WAS LOCATED 10 MILES SOUTHWEST OF RALEIGH MOVING NORTHEAST AT 20 MPH. THE TORNADO WILL BE NEAR... RALEIGH BY 255 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION NOW. && LAT...LON 3183 8965 3201 8966 3212 8949 3192 8942 TIME...MOT...LOC 1926Z 237DEG 17KT 3195 8965 $$ 40
770 WWUS54 KJAN 121940 SVSJAN SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 240 PM CDT SAT MAY 12 2012 MSC129-121948- /O.CAN.KJAN.TO.W.0040.000000T0000Z-120512T2000Z/ SMITH MS- 240 PM CDT SAT MAY 12 2012 ...THE TORNADO WARNING FOR CENTRAL SMITH COUNTY IS CANCELLED... THE SEVERE THUNDERSTORM HAD WEAKENED AS IT MOVED INTO THE RALEIGH AREA AND THE TORNADO WARNING HAS BEEN CANCELLED. LAT...LON 3183 8964 3201 8966 3212 8949 3192 8942 TIME...MOT...LOC 1938Z 236DEG 36KT 3201 8954 $$ 40
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 8:35 AM CDT | Special Weather Statement | JAN | Claiborne, Copiah, Franklin, Hinds, Lawrence, Lincoln and 1 more | 25 min |
| May 12, 10:01 AM CDT | Special Weather Statement | JAN | Attala, Copiah, Hinds, Holmes, Leake, Madison and 2 more | 54 min |
| May 12, 10:29 AM CDT | Special Weather Statement | JAN | Hinds, Madison | 56 min |
| May 12, 10:41 AM CDT | Flash Flood Warning | JAN | Madison | 2 hr |
| May 12, 11:09 AM CDT | Special Weather Statement | JAN | Attala, Carroll, Choctaw, Grenada, Leake, Montgomery | 56 min |
| May 12, 11:25 AM CDT | Severe Thunderstorm Warning | JAN | Forrest | 50 min |
| May 12, 12:10 PM CDT | Special Weather Statement | JAN | Jones | 30 min |
| May 12, 1:06 PM CDT | Special Weather Statement | JAN | Lowndes, Neshoba, Newton, Noxubee, Oktibbeha, Scott and 1 more | 84 min |
| May 12, 1:32 PM CDT | Special Weather Statement | JAN | Jefferson Davis | 28 min |
| May 12, 1:44 PM CDT | Special Weather Statement | JAN | Jasper | 56 min |
| May 12, 1:49 PM CDT | Special Weather Statement | JAN | Lamar | 61 min |
| May 12, 1:56 PM CDT | Severe Thunderstorm Warning | JAN | Simpson, Smith | 49 min |
| May 12, 2:18 PM CDT | Severe Thunderstorm Warning | JAN | Kemper, Neshoba | 37 min |
| May 12, 2:43 PM CDT | Special Weather Statement | JAN | Newton | 47 min |
| May 12, 3:15 PM CDT | Special Weather Statement | JAN | Simpson | 60 min |
| May 12, 3:20 PM CDT | Special Weather Statement | JAN | Newton | 60 min |
| May 12, 3:29 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Simpson | 61 min |
| May 12, 3:51 PM CDT | Special Weather Statement | JAN | Copiah, Simpson | 59 min |
| May 12, 3:56 PM CDT | Tornado Warning | JAN | Simpson | 51 min |
| May 12, 4:11 PM CDT | Special Weather Statement | JAN | Lauderdale | 59 min |
| May 12, 4:39 PM CDT | Flash Flood Warning | JAN | Jasper, Newton, Scott, Smith | 3 hr |
| May 12, 4:49 PM CDT | Special Weather Statement | JAN | Simpson | 61 min |
| May 12, 5:15 PM CDT | Special Weather Statement | JAN | Kemper | 60 min |
Nearby
Tornado Warnings in Mississippi, 2012Every tornado warning in 2012Tornadoes in 2012
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.