Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 1, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Jan 4, 1997, 5:46 PM CST for Crittenden County, Arkansas; Shelby County, Tennessee. It was in force for 49 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 4, 1997, 5:46 PM CST (23:46 UTC)
- Expired
- Jan 4, 1997, 6:35 PM CST
- In force
- 49 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
Counties Crittenden County, AR, Shelby County, TN
The radar
The Memphis radar (KNQA), 27 km from the middle of the area, began a volume at 23:44 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 4, 6:15 PM CST | Hail 0.75 | Millington, TN | |
| Jan 4, 6:40 PM CST | Hail 1 | Rosemark, TN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 4, 4:15 PM CST | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 11.8 hours before the alert went out and 43 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
- 41 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 658 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 211 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
633 WUUS1 KMEM 042347 RRA SVRMEM ARC035-TNC157-050035- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 546 PM CST SAT JAN 4 1997 THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 635 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEASTERN ARKANSAS ...EASTERN CRITTENDEN COUNTY IN WESTERN TENNESSEE ...SHELBY COUNTY AT 545 PM...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM MARION TO HORSESHOE LAKE. THESE STORMS ARE MOVING NORTHEAST AT 35 MPH AND WILL PASS THROUGH WEST MEMPHIS AND DOWNTOWN MEMPHIS BY 600 PM. EXPECT DAMAGING WINDS AS THESE STORMS PASS THROUGH. .A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
Nearby
Severe Thunderstorm Warnings in Arkansas, 1997Severe Thunderstorm Warnings in Tennessee, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.