Alert archive / Mississippi / Tornado Watches in 1999
Tornado Watch 35
The Storm Prediction Center issued this tornado watch at Jan 22, 1999, 9:00 PM CST for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 22, 1999, 9:00 PM CST (03:00 UTC)
- Expired
- Jan 23, 1999, 2:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Baldwin County, AL, Mobile County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, Saint Bernard Parish, LA, George County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 42 km from the middle of the area, began a volume at 03:00 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.
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 11:00 PM CST | Severe Thunderstorm Warning | MOB | Mobile | 45 min |
| Jan 22, 11:45 PM CST | Severe Thunderstorm Warning | MOB | Baldwin | 75 min |
| Jan 23, 1:36 AM CST | Severe Thunderstorm Warning | MOB | Escambia, Santa Rosa | 69 min |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 3.0 hours before the alert went out and 123 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
- 1843 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 564 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 283 m²/s²
- 0-3 km storm-relative helicity
- 310 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 12.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 7:00 PM CST | Tornado Watch | SPC | Autauga, Bibb, Blount, Chilton, Choctaw, Clarke and 31 more | 6 hr |
| Jan 23, 1:00 AM CST | Tornado Watch | SPC | Autauga, Barbour, Bullock, Butler, Chambers, Chilton and 20 more | 6 hr |
| Jan 23, 5:30 PM CST | Severe Thunderstorm Watch | SPC | Alachua, Brevard, Charlotte, Citrus, DeSoto, Flagler and 23 more | 6 hr |
Nearby
Tornado Watches in Mississippi, 1999Tornado Watches in Florida, 1999Tornado Watches in Alabama, 1999Every tornado watch in 1999
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.