Storm Summary of 2008 Late Summer (August - Sept) - 29 Storms

Surface Observations from Miami Int'l Airport METAR

Blue highlighted rows: Snow, freezing rain, or mixed cases

Grey highlighted rows: Virga or mix of virga and rain, no snow

* = general trend 6 hours before storm
Tall (> 4.0 km AGL)   Continuity for Storm Maturity
Borderline ( 2.5-4.0 km AGL)   Scattered: Several Breaks
Shallow (< 2.5 km AGL)  
Storm Types

Storm Continuity


Trends
Wind Direction
Temperature
RH
Pressure
Year
Month
Day
Type
AGL
Continuity
Start Time (UTC)
Duration (hrs)
Avg. Temp. (°C)
Avg.
At Storm Maturity
Wind Speed (m/s)
Precip. (in)
before*
during
before*
during
before*
during
2008
08
03
Rain
Borderline to Tall
Continuous
07:18
3.9
25.4
SE
S
7.0
0.06
flat
down - up
increasing
up - down
up - down
up - down
2008
08
03
Virga to Rain
Tall
Scattered
22:38
5.3
26.6
S
W
3.8
trace
decreasing
decreasing
increasing
increasing
decreasing
increasing
2008
08
08
Rain
Shallow to Tall
Scattered
15:51
4.6
30.1
SW
W
9.3
trace
increasing
down - up
decreasing
up - down
increasing
decreasing
2008
08
10
Rain to Virga to Rain
Tall to Shallow
Scattered
16:02
4.7
26.0
S
SW
7.6
0.43
up - down
down - up
down - up
up - down
increasing
decreasing
2008
08
11
Rain
Shallow to Tall to Shallow
Continuous
15:42
1.8
31.4
W
W
10.0
none
increasing
flat
decreasing
flat
up - down
decreasing
2008
08
12
Rain to Virga to Rain
Tall
Scattered
14:23
3.5
28.9
SW
W
8.8
0.33
increasing
decreasing
decreasing
increasing
increasing
down - up
2008
08
14
Rain to Virga to Rain
Tall to Shallow to Tall
Scattered
18:11
6.8
26.3
SE
SE
8.4
0.42
up - down
decreasing
down - up
up - down
up - down
increasing
2008
08
17
Rain
Tall
Scattered
16:11
6.0
29.6
SE
SE
13.3
0.02
up - down
up - down
down - up
down - up
up - down
decreasing
2008
08
18
Rain
Tall
Continuous
09:59
13.7
25.6
E
SE
10.3
2.71
up - down
down - up
up - down
up - down
decreasing
up - down
2008
08
18
Rain
Tall to Borderline to Tall
Scattered
23:39
13.6
26.5
SE
SE
18.0
1.18
increasing
down - up
decreasing
up - down
decreasing
down - up
2008
08
19
Rain
Tall to Shallow to Tall
Scattered
13:13
7.1
28.7
S
S
19.5
0.20
increasing
down - up
decreasing
up - down
increasing
flat
2008
08
20
Rain
Shallow to Tall
Continuous
06:04
2.1
26.8
S
S
9.0
0.02
decreasing
flat
increasing
down - up
increasing
down - up
2008
08
20
Virga to Rain to Virga
Tall to Borderline
Scattered
17:37
4.6
29.0
SW
SW
12.7
0.33
decreasing
increasing
increasing
decreasing
up - down
decreasing
2008
08
21
Rain to Virga to Rain
Tall
Scattered
17:15
8.0
27.5
SW
SW
9.0
0.32
up - down
decreasing
down - up
increasing
increasing
down - up
2008
08
22
Rain to Virga to Rain
Tall to Shallow to Tall
Continuous
18:45
2.6
27.6
S
SW
14.5
1.27
up - down
decreasing
down - up
increasing
decreasing
up - down
2008
08
30
Rain
Tall
Scattered
11:50
6.7
27.9
E
E
10.4
0.55
down - up
down - up
up - down
up - down
decreasing
up - down
2008
08
30
Rain
Tall
Scattered
20:30
10.1
28.6
E
E
17.1
0.06
increasing
decreasing
up - down
up - down
decreasing
up - down
2008
08
31
Rain
Shallow to Tall
Scattered
06:38
12.3
28.6
E
E
17.9
0.10
decreasing
increasing
up - down
decreasing
up - down
increasing
2008
09
02
Rain to Virga to Rain
Borderline to Tall to Borderline
Scattered
12:15
4.9
29.7
NE
NE
14.1
0.29
down - up
increasing
up - down
decreasing
down - up
up - down
2008
09
05
Virga to Rain
Tall to Shallow
Continuous
01:09
10.7
25.3
NW
NW
9.6
0.30
decreasing
decreasing
increasing
increasing
decreasing
down - up
2008
09
09
Rain
Borderline to Tall to Shallow
Scattered
12:47
6.1
29.8
E
E
26.3
0.48
flat
decreasing
flat
increasing
down - up
up - down
2008
09
17
Virga to Rain
Shallow to Tall to Borderline
Scattered
13:02
2.1
28.3
SE
E
7.5
trace
up - down
increasing
down - up
decreasing
increasing
increasing
2008
09
18
Rain to Virga to Rain
Tall
Continuous
16:38
9.8
28.7
NE
NE
10.3
0.03
up - down
decreasing
decreasing
increasing
up - down
down - up
2008
09
23
Rain
Tall
Scattered
16:59
6.6
27.4
NE
N
7.6
0.28
up - down
decreasing
down - up
increasing
decreasing
decreasing
2008
09
24
Rain
Borderline to Tall to Shallow
Scattered
22:46
9.1
25.1
NE
NE
8.7
1.38
decreasing
down - up
increasing
up - down
decreasing
up - down
2008
09
25
Rain to Virga to Rain
Shallow to Tall to Shallow
Continuous
13:42
1.9
27.5
NE
NE
6.5
none
increasing
increasing
decreasing
decreasing
increasing
decreasing
2008
09
28
Rain
Tall to Shallow to Tall
Scattered
14:22
10.2
27.8
E
E
10.1
2.84
increasing
up - down
decreasing
down - up
increasing
down - up
2008
09
29
Rain
Tall to Borderline to Tall
Scattered
16:40
7.0
26.2
S
Unknown
3.8
0.09
up - down
down - up
down - up
up - down
increasing
down - up
2008
09
30
Rain
Tall to Shallow to Tall
Continuous
08:05
2.0
23.7
W
NW
5.0
0.18
decreasing
decreasing
increasing
decreasing
up - down
increasing

Version 1, 16 September 2013

web page credits: Spencer Rhodes, Michael Tai Bryant, Sandra Yuter

Department of Marine, Earth, and Atmospheric Sciences, NCSU

This material is based upon work supported by the National Science Foundation under Grant No. ######
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s)
and do not necessarily reflect the view of the National Science Foundation (NSF).

contacts:
Spencer Rhodes srrhodes@ncsu.edu