Alert archive / Missouri / Tornado Watches in 1998
Tornado Watch 319
The Storm Prediction Center issued this tornado watch at May 9, 1998, 1:00 PM CDT for Fulton County, Randolph County, Arkansas; 20 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 9, 1998, 1:00 PM CDT (18:00 UTC)
- Expired
- May 9, 1998, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 22 counties
Fulton County, AR, Randolph County, AR, Barry County, MO, Barton County, MO, Christian County, MO, Dade County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Polk County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 19 km from the middle of the area, began a volume at 18:02 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
10 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 1:31 PM CDT | Severe Thunderstorm Warning | SGF | Taney | 34 min |
| May 9, 1:50 PM CDT | Severe Thunderstorm Warning | SGF | Ozark | 50 min |
| May 9, 2:21 PM CDT | Severe Thunderstorm Warning | SGF | Taney | 49 min |
| May 9, 2:48 PM CDT | Flash Flood Warning | SGF | Barry | 4 hr |
| May 9, 3:47 PM CDT | Flash Flood Warning | SGF | Stone, Taney | 4 hr |
| May 9, 4:16 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Izard | 49 min |
| May 9, 4:56 PM CDT | Flash Flood Warning | SGF | Douglas, Howell, Ozark | 4 hr |
| May 9, 5:05 PM CDT | Severe Thunderstorm Warning | LZK | Fulton, Izard, Sharp | 50 min |
| May 9, 5:54 PM CDT | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 46 min |
| May 9, 6:00 PM CDT | Tornado Warning | MEG | Randolph | 50 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.0 hours before the alert went out and 61 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1409 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| May 9, 12:45 AM CDT | Tornado Watch | SPC | Hempstead, Little River, Miller | 5 hr |
| May 9, 12:00 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Baxter, Benton, Boone, Bradley and 59 more | 6 hr |
| May 9, 2:00 PM CDT | Tornado Watch | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lee and 5 more | 6 hr |
| May 9, 6:00 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Baxter, Boone, Bradley, Calhoun and 51 more | 5 hr |
Nearby
Tornado Watches in Missouri, 1998Tornado Watches in Arkansas, 1998Every tornado watch in 1998
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.